Technical Service Bulletins

2008-09-29: Product Quality Center (PQC) for Engine, Transmission Assembly and Transfer Case Replacement (02-07-30-029L)
2008-09-29: Eliminating Unwanted Odors in Vehicles (00-00-89-027E)
2008-09-29: Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) (01-07-30-032E)
2008-09-26: Odometer Servicing When The Odometer Cannot be Set to the Actual Mileage - keywords cluster ipc mile program (PIT4720)
2008-09-26: Fluid Leak from Transmission Oil Cooler Lines due to Corrosion - keywords leak line loose rust tight (PIT4722)
2008-09-23: Special Coverage Adjustment - Analog OnStar Deactivation (08089B)
2008-09-22: Information on OnStar Analog-Only Systems (06-08-64-007A)
2008-09-18: Suspension Vibration Or Frame Beaming At 40-60 MPH (64-80KM/H) - keywords front rear shake shock spring tire (PIT3009J)
2008-09-16: Information on 4T65-E MN7, M15, M76, MN3 Automatic Transmission Case, Cooler Fitting and Torque Converter Drain Back Check Ball Change (04-07-30-017A)
2008-09-05: Headlamp Lens Overheating When Covered and Chemical Damage to Exterior Polycarbonate Headlamp Lenses (02-08-42-001C)
2008-08-28: Information on Inadvertent Steering Wheel Control (SWC) Button Press Causing Radio Anomalies) (08-08-44-028)
2008-08-27: New Labor Operation Codes for Dealer-Installed GM Accessories Replaced During Warranty Coverage Period (02-00-89-014E)
2008-08-26: Eaton Locking Differential Chatter Shudder Noise on Turns - keywords bind grab grind (PIP4054C)
2008-08-26: Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs) (08-08-44-015A)
2008-08-25: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006E)
2008-08-22: Navigation Radio Diagnostic Questionnaires for Warranty Exchanges Through PQC Parts Restriction Process (For Navigation Radios with AM, FM, XM, CD, DVD, NAV, GPS, MP3, USB, Audio, Display, Map, Noise) (08-08-44-010B)
2008-08-18: Information on Engine Ticking Noise (02-06-01-022H)
2008-08-18: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) (04-06-04-007I)
2008-08-14: Fuel Gauge Fluctuation In Park Or Neutral - keywords gage inaccurate intermittent ip ipc (PIT3046E)
2008-08-11: Informaiton on Refurbish Instead of Replace Out of Warranty Radios with Worn Graphics on Faceplate, Knobs or Buttons (08-08-44-026)
2008-08-08: Information on Water or Ethylene Glycol in Transmission Oil (08-07-30-035)
2008-08-06: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY (05-06-04-022E)
2008-08-05: Question Regarding Installation Of Dealer Installed Accessories (PIT3099E)
2008-08-01: SWC Operation After OnStar ADT Upgrade - keywords call calling control inoperative steering wheel (PIC4820A)
2008-07-30: Information on New Spark Plugs and Gapping (03-06-04-060B)
2008-07-25: Replacement of Shock Absorbers and Struts and Use of Labor Operations E3800, E3801, E3807, E5800, E5801, E5807, E3850, E3857, E5750, E5751 and E5757 (05-03-08-002B)
2008-07-23: Disabled OnStar System Identification - keywords blue button communication deactivated digital disabled information led no operation red (PIC3597F)
2008-07-23: OnStar Power Consumption - keywords battery digital discharge drain draw parasitic VCIM (PIC4935)
2008-07-21: Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Ilde, Low Generator Output (02-06-03-008D)
2008-07-16: Information on Aluminum Heater Core and/or Radiator Replacement (05-06-02-001A)
2008-06-27: Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non-Overpower Engine Non-Function of Pistons, Cylinders and Valvetrain (06-06-01-007B)
2008-06-27: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) (07-00-89-047B)
2008-06-27: Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles (05-03-07-009B)
2008-06-27: Programming ECM For PTO Idle Up Operation - keywords engage fast high information input operation pcm reprogram rpm speed (PIT4507B)
2008-06-24: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only (04-06-04-047H)
2008-06-24: GM Goodwrench Limited Lifetime Service Guarantee (03-00-89-003A)
2008-06-23: Information on Heated Electrochromatic Outside Rearview Mirror Performance (08-08-64-011)
2008-06-20: Information on Use of Customer Concern Verification Sheets, Comeback Prevention, GM Technical Assistance Information Form (TAC), Strategy Based Diagnostics (SBD), Intermittent Concerns, Diagnostics (01-00-89-010H)
2008-06-18: Information on Navigation Radio Not Displaying Accurate Vehicle Location After Radio Replacement, Power Loss or Battery Replacement (08-08-44-023)
2008-06-18: OnStar Voice Recognition Operation Issues - keywords information intermittent microphone performance voice (PIC3011E)
2008-06-18: Unable To Connect To OnStar Handsfree Calling Digital Hardware - keywords cellt cellular communication droppedcall failedtovoice information intermittent OPC operation no noconnect performance region (PIC4310C)
2008-06-17: Fuel and Oil Additives - Facts and Myths/Maximizing Fuel Economy (05-00-89-072B)
2008-06-16: Questions Regarding Installation Of Dealer Installed Accessories (PIT3099D)
2008-06-11: Unwanted Repeated Calls to OnStar / Replace VCIM - keywords call letter mail phantomcall phone repeat (PIC4893)
2008-06-10: No Reverse, Second Gear or Fourth Gear (Replace Reaction Sun Shell with More Robust Heat Treated Parts) (00-07-30-022D)
2008-06-06: Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE (99-04-20-002E)
2008-06-05: Information on Curb Park Assist and Memory Related Issues on Outside Rear View Mirrors (07-08-64-022A)
2008-06-04: No Movement When Transmission is Shifted to Drive or Third - Normal Operation When Shifted to Second, First or Reverse (Replace Forward Sprag Assembly) (08-07-30-027)
2008-06-03: Service Engine Soon (SES) Light On, DTCs P0087, P0092, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) (04-06-04-007H)
2008-05-30: Requirements for Changing Tire and Wheel Assemblies - New Vehicle Placard (U.S. Only) (07-03-10-016A)
2008-05-30: Intermittent, Current or History DTC B2476 in Onstar GEN 6 or 7 VCIM - keywords blue button call communication data digital information keypad led OPC operation red (PIC4574B)
2008-05-29: GM Dealer Visits: Proper Management of Batteries in Dealer Parts Stock/Vehicle Inventory (08-06-03-005)
2008-05-29: New Design Front Axle Side Bearing Adjusters - keywords leak noise (PIP4030B)
2008-05-28: Gen III Or Gen IV V-8 Engine Misfire - keywords P0300 arm cam camshaft lifter wear worn engine L33 L59 L76 L92 LC9 LFA LH6 LH8 LM7 LMG LR4 LS2 LS4 LQ4 LQ9 LY2 LY5 LY6 miss rocker roller rough valve (PIP4138E)
2008-05-22: Suspension Vibration or Frame Beaming at 40-60 mph (64-80 km/h) - keywords front rear shake shock spring tire (PIT3009H)
2008-05-22: GEN III or IV V-8 Engine Misfire - keywords p0300 arm cam camshaft lifter wear worn engine l33 l59 l76 l93 lc9 lfa lh6 lm7 lmg lr4 ls3 ls4 lq4 lq9 ly2 ly5 miss rocker roller rough valve (PIP4138D)
2008-05-22: Information on Diesel Fuel Requirements - Service Engine Soon (SES) Indicator ON, Loss of Power, Filter Life Percentage Low as a Result of Fuel Filter Plugged/Incorrect Fuel Grade (08-06-04-032)
2008-05-16: Minimizing Damage to Tire Pressure Monitor (TPM) Sensors During Tire Mounting/Dismounting (08-03-10-007)
2008-05-12: Automatic Transmission/Transaxle Torque Converter Replacement (01-07-30-010C)
2008-05-12: Diagnostic Tips for Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start (01-07-30-036G)
2008-05-12: Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements (08-03-16-003)
2008-05-08: Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036E)
2008-05-07: Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Intrument Panel Clusters (IPC) (08-08-44-015)
2008-05-06: Disc Brake Warranty Service and Procedures (00-05-22-002K)
2008-05-05: Engagement Time of Electronically Controlled Transmissions in General Motors Vehicles (Garage Shifts, Park to Reverse, Neutral to Drive, Neutral to Reverse, Park to Drive, Delayed Engagement) (03-07-30-007E)
2008-05-02: Manual Transmission Operating Characteristics (03-07-29-004E)
2008-05-02: Exterior Lamp Condensation and Replacement Guidelines (01-08-42-001F)
2008-05-01: GM Accessories Wheel Appearance Standards - keywords accessory aesthetics blister chrome ding dent dust peel rim wheel (PIT4636)
2008-05-01: Use of Chrome or Chrome-Plated Steel Valve Caps on Aluminum Valve Stems (08-03-10-005)
2008-05-01: Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) (08-03-10-006)
2008-05-01: Grinding and/or Growling Noise in Park on Incline (99-07-30-030F)
2008-04-30: ACDelco Replacement Battery Warranty Procedures (03-06-03-003B)
2008-04-29: Processing GM Accessories - Initial Quality Issues (04-00-89-018C)
2008-04-18: Eaton Locking Differential Chatter Shudder NoEaton Locking Differential Chatter Shudder Noise On Turns - keywords bind grab grind (PIP4054B)
2008-04-18: Information for Dealers on How to Submit a Field Product Report (02-00-89-002G)
2008-04-17: GEN III Or GEN IV Engine Misfire - keywords P0300 arm cam camshaft lifter wear worn engine L33 L59 L76 LC9 LH6 LM7 LMG LR4 LS2 LS4 LQ4 LQ9 LY5 LY6 miss rocker roller rough valve (PIP4138C)
2008-04-17: Electronic Exchange Program Goodwill Procedures (05-00-89-045A)
2008-04-17: Hood Hinge Pivot Hole Is Too Large On Some Replacement Fenders - keywords big bolt loose tighten (PIT4627)
2008-04-17: Key Code Information (99-00-89-011C)
2008-04-17: Battery and Charging System Electrical Diagnostics (05-06-03-002C)
2008-04-16: DTC P0446 (Restricted/Blocked Evap Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit) (02-06-04-037D)
2008-04-16: Return or Reimbursement of Customer Owned CDs, DVDs, Cassette Tapes and/or CD Magazines (05-08-44-024A)
2008-04-14: Disabled OnStar System Identification - keywords blue button communication deactivated digital disabled information LED no operation red (PIC3597E)
2008-04-14: Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts (00-06-01-012C)
2008-04-10: Midtronics Code Generated by J 42000 or J 42000EU Battery Tester Required for Claim Processing On Labor Operation N0110 (03-06-03-004C)
2008-04-10: Handsfree Calling Inop With Demo Message On OnStar Keypress - keywords 05-08-46-006N blue button communication digital disabled message no OPC operation vs3bgen6 vs3bgen7 (PIC4564A)
2008-04-07: Interior Lights Inoperative After BCM Replacement B2618 DTC - keywords calibration control courtesy dome inop lamp light module program (PIT4619)
2008-04-07: General Motors New Vehicle Wheel Warranty Coverage (07-03-10-015A)
2008-04-02: Information on 6.6L LBZ, LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Design Change - New Head Gasket Part Numbers and Head Bolt Torque Specifications (06-06-01-006B)
2008-04-01: Warranty Claims Submission - Importance of GM Part Numbers and Parts with Date Codes (06-00-89-054B)
2008-03-31: Escalation Process for Critical Orders for Electronic Service Center (ESC) Parts (06-00-89-032A)
2008-03-31: Oil Leak at Oil Cooler to Engine Block Mating Surface (Replace O-rings, Apply Sealant) (02-06-01-023F)
2008-03-28: Delayed Or No Drive And Or Delayed Or No Reverse With DTC P0701 - keywords P0751 P0756 P0761 P0843 P0848 P0873 P0877 late harsh shift fluid pressure switch (PIP4379)
2008-03-27: Diagnosing Accessory Drive Belt/Serpentine Belt Noise and Availability and Use of Kent-Moore EN-49228 Laser Alignment Tool - Drive Belt (08-06-01-008)
2008-03-27: Wheel Hub Changes - Gen III vs. Gen II (08-03-08-003)
2008-03-26: Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft (I-Shaft) Assembly) (00-02-35-003N)
2008-03-26: Additional Information About Passenger Presence Systems (PPS) - keywords bladder restraint seat sensor SIR system weight (PIT4138A)
2008-03-25: Mounting, Balancing and Installation of Accessory Wheels and Tires Available Through GM Accessories (08-03-10-004)
2008-03-20: Exhaust Moan Or Vibration Supplement To 02-06-05-003G - keywords pipe resonance (PIT3566C)
2008-03-19: Unable To Connect To OnStar Or Use OnStar Handsfree Calling Digital Hardware - keywords cellt cellular communication failedtovoice information intermittent OPC operation no noconnect performance (PIC4310B)
2008-03-19: Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 (02-07-30-001G)
2008-03-14: SWC Operation After OnStar ADT Upgrade - keywords call calling control inoperative operation onstar steering wheel (PIC4820)
2008-03-12: New Primer For TPO Fascias and Affected Cleaning Process of Painting Operation (08-08-51-002)
2008-03-11: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006D)
2008-03-10: Hood Contacts The GM Performance Parts Air Cleaner Lid - keywords box chip chrome close cover damage filter hit induction intake parts perfpart performancce scratch (PPP0001A)
2008-03-06: Product Safety - Front Wheel Speed Sensor Corrosion (05068C)
2008-03-03: Class 2 Platform Battery Drain Diagnosis Purpose - keywords accessory aftermarket generator low operation regulator volt voltage (PIC4798)
2008-02-27: Odometer Accuracy - keywords IPC speedometer (PIC3100B)
2008-02-25: General Motors Position Statement on Installation of Used, Salvaged or Imitation Air Bag System Components (08-09-41-003)
2008-02-22: Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow (02-07-30-052E)
2008-02-20: Rules Of Thumb American Axle Manufacturing General Information - keywords bearing howl noise pinion ring whine (PIP3720A)
2008-02-19: Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 (02-07-30-001F)
2008-02-11: Eaton Locking Differential Chatter Shudder Noise On Turns - keywords bind grab grind (PIP4054A)
2008-02-07: GM of Canada New Vehicle Limited Warranty Tire Program (01-03-10-003E)
2008-02-06: GM Fuel System Treatment PLUS, Fuel Sending Unit Corrosion and Fuel System Deposits (05-00-89-078B)
2008-02-05: Use of E85 Fuels in Vehicles Not Certified by GM as being FlexFuel Compatible/Aftermarket Conversion of Vehicles to Operate on E85 Fuels (06-06-04-035A)
2008-02-05: Unnecessary Engine Crankcase and Subsystems Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience (04-06-01-029B)
2008-02-05: Diagnostic Tips/Recommendations When Power Steering Pump Replacement is Necessary (06-02-32-013A)
2008-02-05: Exhaust Moan/Vibration Noise (Install Exhaust System Flex Pipe Kit and Exhaust Dampeners, If Necessary) (02-06-05-003G)
2008-02-04: Driveline Characteristics for All-Wheel Drive (AWD) and Four-Wheel Drive (4WD) Systems (01-04-18-001F)
2008-02-01: Pitting and Brake Dust on Chrome Wheels (04-03-10-012B)
2008-02-01: Distortion in Outer Surface of Vehicle Glass (00-08-48-005C)
2008-02-01: Information on Eliminating Noise in Audio System When Using Portable Playback Device (06-08-44-015A)
2008-01-31: 4L60-E, 4L65-E, 4L70-E HYDRA-MATIC Automatic Transmission RPOs M30, M70, M32, M33, MK2, MD6 Oil Cooler Fitting Change (08-07-30-004)
2008-01-31: Vibration Analysis Worksheet (03-00-91-001D)
2008-01-30: Remote Keyless Entry Operational Characteristics (99-08-52-005C)
2008-01-29: Revised Cylinder Head M12 Bolt Fastener Tightening Specifications (02-06-01-036A)
2008-01-29: Suspension Vibration Or Frame Beaming At 40-60 MPH (64-80 KM/H) - keywords front rear shake shock spring tire (PIT3009G)
2008-01-25: Minor Wrinkles/Creases, Discoloration, Cigarette Burns and Customer Induced Cuts and Stains on Front and Rear Dirver and Passenger Seats with Leather, Vinyl or Cloth Seat Covers (04-08-50-006B)
2008-01-25: Information on New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment (08-01-38-001)
2008-01-23: 18 Digit Snapshot/Charge Summary Code No Longer Required for A/C Refrigerant System repairs Submitted for Warranty Reimbursement (05-01-38-008B)
2008-01-18: Utilizing Tech 2 to Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
2008-01-18: Warranty Administration - Repair Order (RO) Documentation (00-00-89-015B)
2008-01-18: DEX-COOL Coolant - New Leak Detection Dye J 46366Replaces J 29545-6 (05-06-02-002B)
2008-01-17: Engineering Information (EI) Process (04-00-89-053B)
2008-01-17: Re-establishing Communications with OnStar Center After Battery Disconnect (00-08-46-004C)
2008-01-17: Tire Slowly Goes Flat and/or Excessive Wheel Vibration Caused by Bead Splits (Replace Wheels with New Heavy Duty Rim Version) (03-03-10-001D)
2008-01-17: Information on OnStar System - Possible Loss of GPS Signal, Hands-Free Calling Minutes Expire Prematurely and/or Inability to Add Hands-Free Calling Minutes (02-08-46-007D)
2008-01-16: 4L80E, MT1 and 4L85E, MN8 Simplified Valve Body Reconditioning Instructions, DTC P0741, P0742, P0751, P0752, P0756, P0757, P0894, Harsh or Delayed Shifts, Slips, No Drive, No Reverse (08-07-30-001)
2008-01-15: Low Tire Pressure, Leaking Cast Aluminum Wheels (Repair with Adhesive Sealant) (05-03-10-003C)
2008-01-15: GM Technical Assistance Information Form (TAC) and Service Strategy Process Utilizing Customer Service Comeback Prevention, Strategy Based Diagnostics (SBD) and Intermittent Concern Diagnosis (01-00-89-011g)
2008-01-09: Availability of GM OnStar Vehicle Diagnostics and GM Goodwrench Remote Diagnostic Services (06-08-46-002B)
2008-01-09: Seat Belt Extender Availability (99-09-40-005E)
2008-01-09: Information on Tire Radial Force Variation (RFV) (00-03-10-006C)
2008-01-09: OnStar Labor Operation Codes (05-08-46-005B)
2008-01-08: OnStar Phone Number Concerns (Phone Number Incorrect/Assigned to Another Vehicle/Phone) That Occur During Diagnosis of OnStar System (05-08-46-004B)
2008-01-08: Incorrect OnStar Global Positioning System (GPS) Location Reported During OnStar Call (02-08-46-006C)
2008-01-07: Tire Puncture Repair Procedures for All Cars and Light Duty Trucks (04-03-10-001D)
2008-01-04: LCT1000 Range Inhibit or No Forward, Reverse - keywords cold dtc movement (PIP3413A)
2008-01-04: Information on The Use of Bonded Valve Body Spacer Plate and Gaskets - keywords part shift (PIP4309)
2008-01-03: Use of Nitrogen Gas in Tires (05-03-10-020A)
2007-12-27: Suspension Vibration Or Frame Beaming At 40-60 (64-80 km/h) - keywords front rear shake shock spring tire (PIT3009F)
2007-12-27: Intermittent Current Or History DTC B2476 In OnStar GEN 5 6 Or 7 VCIM - keywords B2476 blue button call communication data digital information keypad led onstar OPC operation red (PIC4574A)
2007-12-26: Universal Garage Door Opener Programming Questions - keywords body home homelink information lear link operation program remote transmitter UG1 UGDO (PIT4283A)
2007-12-17: Warranty Parts Center/Corporate Parts Return Program (99-00-89-019E)
2007-12-14: M74/MW7 Allison LCT1000 PTO Gear Applications - keywords noise transmission whine (PIP3083F)
2007-12-13: 4WD Models With Noise Vibration On Dry Pavement - keywords grind growl moan rattle (PIP3300B)
2007-12-11: Product Safety - Crankshaft Position Sensor Engine Stall (06083)
2007-12-10: Various Driveability Symptoms Due to Clogged Fuel Injectors, MIL/SES DTCs P0171, P0172, P0174, P0300, P1174, P1175 (Clean Fuel Injectors and/or Perform Injector Test With AFIT - CH-47976) (03-06-04-030F)
2007-12-05: Engine Surge Or Stall At Stop And / Or DTC P0742 Possible TCC Applied - keywords converter cooler MIL PWM solenoid valve (PIP4290)
2007-12-05: 60 Degree V6 Engine Oil Leak at Crankshaft Front Oil Seal (Use New Crankshaft Front Oil Seal Installer Tool EN-48869) (07-06-01-023)
2007-11-30: OnStar Unwanted or Phantom Phone Calls - keywords call handsfree intermittent mmute OnStar OPC performance phantomcalls unwanted (PIC3278C)
2007-11-30: Squeak or Creak Noise From Underbody Over Bumps - keywords rear suspension body turn (PIT3401B)
2007-11-21: Release of DEXRON-VI Automatic Transmission Fluid (ATF) (04-07-30-037D)
2007-11-19: Special Coverage Adjustment - Injectors-Replace (04039B)
2007-11-19: DTC P0128 Or Engine Will Not Reach Operating Temperature - keywords 4.8 5.3 6.0 cooling coolant heat HVAC LR4 LM7 L59 LQ4 MIL P0128 radiator SES temp (PIP3267B)
2007-11-19: Information on OnStar System - Possible Loss of GPS Signal, Hands-Free Calling Minutes Expire Prematurely and/or Inability to Add Hands-Free Calling Minutes (02-08-46-007C)
2007-11-14: Whine Noise In First And Second Gear - keywords acceleration case clash filter fluid oil (PIP3259H)
2007-11-12: Customer Concern Not Duplicated/Verified Labor Operations (06-00-89-026A)
2007-11-09: Underbody Corrosion - keywords appearance body frame rust (PIT3749B)
2007-11-06: General Motors New Vehicle Wheel Warranty Coverage (07-03-10-015)
2007-11-05: Exterior Lamp Condensation and Replacement Guidelines (01-08-42-001E)
2007-11-02: Corrosion Protection for Metal Panels With Dealer Installed Accessories Fastened By Drilled Holes (03-00-89-008D)
2007-11-02: Unable To Connect To OnStar Or Use OnStar Handsfree Calling Digital Hardware - keywords cellt cellular communication digital failedtovoice information intermittent OnStar OPC operation no noconnect (PIC4310A)
2007-10-31: Squeak Noise From Rear of Vehicle (Lubricant Rear Leaf Springs) (06-03-09-004A)
2007-10-29: Revised General Motors New Vehicle Tire Warranty Program (00-03-10-003M)
2007-10-23: Information on Proper Tire Pressure (00-00-90-002I)
2007-10-17: Hood Contacts The GM Performance Parts Air Cleaner Lid - keywords air box chip chrome cleaner close contact cover damage filter hit hood induction intake lid parts perfpart performance scratch (PPP0001)
2007-10-11: Programming ECM For PTO Idle Up Operation On 6.6L Engine - keywords diesel engage fast high information input operation PCM reprogram RPM speed (PIT4507A)
2007-10-08: SIR MIL With DTC B1001 After BCM Or SDM Replacement - keywords calibration code DTC ECM module PCM program theft theftdeterrent (PIT4093A)
2007-10-08: GEN III Or GEN IV V-8 Engine Misfire - keywords P0300 arm cam camshaft lifter wear worn engine L33 L59 L76 LC9 LH6 LM7 LMG LR4 LS2 LQ4 LQ9 LY5 LY6 misfire miss rocker roller rough valve (PIP4138B)
2007-10-05: Guidelines When Changing Tire Size - keywords calibration program rim wheel (PIT3271D)
2007-10-05: Disabled Onstar System Identification (PIC3597D)
2007-10-03: Allison LCT1000 Clunk Noise Shifting Into Park Or On Start Up In Park - keywords drive shift park (PIP3161C)
2007-10-02: Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
2007-10-01: Supplement To 01-08-66-014A - Pickup Box Fracture - keywords 01-08-66-014 accessories bed bent body break broken crack panels repair (PIT3658A)
2007-10-01: Intermittent Red LED DTC B2470 And Possible Unable To Contact OnStar Center - keywords analog blue button connect digital DTC information LED no OPC operation performance UE1 (PIC3341D)
2007-09-28: Information on Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non Overpower Engine Non-Function of Pistons, Cylinders (06-06-01-007A)
2007-09-28: Programming ECM For PTO Idle Up Operation On 6.6L Engine - keywords diesel engage fast high information input operation pcm reprogram rpm speed (PIT4507)
2007-09-28: Service Information Update on Consolidating Use of GM Liquid Gasket/Engine Sealants and New Sealant Dispenser GE-48326 Essential Tool (05-06-01-010B)
2007-09-27: Information on 4L60-E M30 Rear Wheel Drive Automatic Transmission Valve Body Reconditioning, DTC P0741, P0756, P0894, Harsh 1-2 Shift (07-07-30-024)
2007-09-26: GlassUltra Violet UVRay Protection and Tint Percentage - keywords sun windshield sun window door (PIT3237C)
2007-09-21: Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires (03-03-10-007C)
2007-09-17: Information on Internal Engine Noise or Damage After Oil Filter Replacement (07-06-01-016A)
2007-09-12: Intermittent Ratio Codes Or Range Inhibit With No DTCs - keywords mil P0500 P0729 P0731 P0732 P0733 P0734 P0735 P0736 ses (PIP3598B)
2007-09-12: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006B)
2007-09-05: Service Alert: Concerns With Aftermarket Fuses in GM Vehicles (07-08-45-002)
2007-08-23: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors (07-00-89-043)
2007-08-16: Warranty Admin. - Courtesy Transportation and Roadside Assistance Programs (07-00-89-037)
2007-08-14: Gen III Or Gen IV V-8 Engine Misfire - keywords P0300 arm cam camshaft lifter wear worn engine L33 L59 L76 LC9 LH6 LM7 LMG LR4 LS2 LQ4 LQ9 LY5 LY6 misfire miss rocker roller rough valve (PIP4138A)
2007-08-14: Information on Internal Engine Noise or Damage After Oil Filter Replacement (07-06-01-016)
2007-08-13: Center Front Floor Console Compartment Lock Cylinder and Key Replacement (01-08-49-017A)
2007-08-10: OnStar Hands Free Calling Security Lock - Lost Pin Procedure - keywords blue button cellular free hand handsfree identification information inoperative lock number onstar OPC PIN security telephone (PIC4589)
2007-08-06: Guidelines for Usage of Transmission K Labor Operation Recondition Add Time (07-07-30-020)
2007-08-02: Warranty Admin. - GM Dealer Empowerment Program and Goodwill Procedures (05-00-89-055B)
2007-07-30: Usage of E85 Fuels in GM Vehicles (05-06-04-035C)
2007-07-26: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY (05-06-04-022D)
2007-07-23: Rear Leaf Spring Slap or Clunk Noise (Replace Spring Inserts) (03-03-09-002B)
2007-07-23: Warranty Administration - Required Operating Procedures (04-00-89-015A)
2007-07-19: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices) (06-08-50-009B)
2007-07-19: Information on Rear Seat Headphone Foam Ear Pad Replacement if Worn or Damaged (05-08-44-005A)
2007-06-27: ABS Light On DTC C0055 C0235 C0236 Or C0237 Stored In The EBCM - keywords brake lamp light sensor speedometer VSS (PIT3521E)
2007-06-27: Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment SAE J2788 (07-01-38-004)
2007-06-27: GM Training:May 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-028)
2007-06-26: GM Training:Number of Technicians Required Reduced for Two Categories (U.S. Dealers) (07-00-89-016)
2007-06-26: GM Training:Three Technology Close-Up IDL Seminars as New 2007 Service Training Standard (STS) Requirements (U.S. Dealers) (07-00-89-014)
2007-06-26: GM Training:March 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-013)
2007-06-26: GM Training:Course Information (For U.S. Dealers and Aftermarket) (07-00-89-011)
2007-06-26: GM Training:January 2007 GM Service Know-How Emerging Issues Seminar (#10207.01D) (For U.S. Dealers Only) (07-00-89-007)
2007-06-26: GM Training:Maintaining GM STC Master Technician Certification (MTC) (For U.S. Dealers Only) (07-00-89-005)
2007-06-26: GM Training:HVAC Systems and Operation Stage 2 WBT and IDL (11044.03) (For U.S. Dealers Only) (07-01-38-001)
2007-06-22: Abnormal Noise And Or Vibration While Driving - keywords accessory aftermarket axle body boom buzz case grown growl howl moan modification no OEM part prop rattle resonance shaft transmission whine (PIP3140B)
2007-06-22: Use of Silicone for Weatherstrip Maintenance (99-08-64-016B)
2007-06-21: Intake Manifold Inspection/Replacement After Severe Internal Engine Damage (00-06-01-026B)
2007-06-21: 1998-2007 Cars And Light Duty Trucks TCC Operation - keywords shudder slip surge speed (PIP4001A)
2007-06-19: Information on Engine Ticking Noise (02-06-01-022G)
2007-06-15: Repeat HVAC Actuator Replacements - keywords door cool heat mode temperature (PIT4427)
2007-06-14: ABS Light On, DTCs C0265, C0201, U1041 Set and/or Loss of Communication with Brake Module (Reground EBCM Ground) (04-05-25-002D)
2007-06-14: Communication Strategy of Service Information/Strategy Based Diagnostics (05-00-89-067B)
2007-06-13: Goodwrench Replacement Engines With Rear Main Seal Oil Leak - keywords crank crankshaft engine leak oil main rear replace replacement seal shaft (PIP4155)
2007-06-12: Various Driveability Symptoms Due to Clogged Fuel Injectors, MIL/SES DTCs P0171, P0172, P0174, P0300, P1174, P1175 (Clean Fuel Injectors and/or Perform Injector Test with AFIT - CH-47976) (03-06-04-030E)
2007-06-12: Information on Gradual Coolant Loss Over Time with No Evidence of Leak Found (06-06-01-019B)
2007-06-08: Windshield Wiper Performance, Cleaning Instructions and Maintenance (06-08-43-003A)
2007-06-05: GM Performance Parts Engine Warranty Q and A (04-06-01-019A)
2007-06-05: First Order Driveline Vibration May Be TCC Sensitive - keywords prop shaft shudder (PIP4148)
2007-06-04: Allison LCT1000 Harsh 3-2 2-1 Downshift And ABS May Activate - keywords cold hard shift (PIP4144)
2007-05-30: Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (02-06-03-008C)
2007-05-29: Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating) (99-01-39-004B)
2007-05-29: Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019E)
2007-05-25: 6.6L LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Missing Thickness Grade Markings - Inspect Block for Stampings (07-06-01-009)
2007-05-24: Engine Battery Light Remains On For 30 Seconds After A Cold Start - keywords charge dash die diesel draw generator gage gauge indicator IPC LB7 LBZ low LLY volt voltage (PIT3314C)
2007-05-24: Corrosion Protection for Metal Panels with Dealer Installed Accessories Fastened by Drilled Holes (03-00-89-008C)
2007-05-23: Whine Noise In First And Second Gear - keywords acceleration case clash filter fluid oil (PIP3259G)
2007-05-22: Gen III Or Gen IV V-8 Engine Misfire - keywords P0300 arm engine L33 L59 LH6 LM7 LR4 LS2 LQ4 LQ9 lifter misfire miss rocker rough valve (PIP4138)
2007-05-21: Information on 2-3 Upshift or 3-2 Downshift Clunk Noise (01-07-30-042E)
2007-04-26: Range Inhibit And/Or Will Not Move - keywords drive inoperative reverse (PIP3497A)
2007-04-23: Duramax 6.6L Hollow And Solid Pushrod Interchangeability - keywords arm broken diesel hole engine noise lube lubrication push repair rocker rocker arm rod tick tube valve valvetrain (PIP4121)
2007-04-23: Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust) (05-08-51-008B)
2007-04-18: Special Coverage (Policy) Adjustment - Electronic Diesel-Fuel Injection Pump Failure-Repair/Replace (00064G)
2007-04-17: Improved Oil Fluid Wear Pump Clip - keywords 136 149 246 246EAU 261 263 263EAU housing leak case transfer transfercase (PIP4118)
2007-04-17: Information on Obtaining Replacement Navigation Discs When Radios are Exchanged - Order Replacement Navigation Disc Through Navigation Disc Center (07-08-44-007)
2007-04-17: DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Service Engine Soon (SES) Lamp Illuminated (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly with Service Kit) (02-06-04-037C)
2007-04-17: Information on Repair of Polypropylene Energy Absorbers (07-08-63-001)
2007-04-12: Tailgate Cable Slack - keywords body endgate gate loose tail (PIT3227D)
2007-04-09: New Design Front Axle Side Bearing Adjusters - keywords leak noise (PIP4030A)
2007-04-03: Information on Engine Oil Consumption Guidelines (01-06-01-011D)
2007-04-02: Allison Transmission Delayed Engagement, Cold Hesitation, Malfunction Indicator Lamp (MIL) Illuminated, DTCs P0701, P1709, P1711, P1713, P0841, P0843, P0847, P0870, P0872 or P0875 (03-07-30-011E)
2007-04-02: Info - Non-approval of Clipping (Sectioning of Two Vehicles) for Collision Repair (07-08-98-001)
2007-03-30: Info - PRNDL Display Reduced Visibility for Approximately One Minute (02-08-42-004A)
2007-03-20: Suspension Vibration Or Frame Beaming At 40-60 MPH (64-80 KM/H) - keywords front rear shake shock spring tire (PIT3009E)
2007-03-13: Information on OnStar System - Possible Loss of GPS and/or Unable to Replenish Hands-Free Calling Minutes (02-08-46-007B)
2007-03-09: Info - Revised Recommendations Regarding Paint for Structural Reaction Injection Molding (SRIM) Composite Box (01-08-60-001B)
2007-03-07: Allison LCT1000 No Shift Speedometer Erratic/Inop P0721 C0237 P0500 C0055 - keywords ABS brake cruise gauge ipc (PIT3155B)
2007-03-06: Allison LCT1000 Clunk Noise Shifting Into Park Or On Start Up IN Park - keywords drive reverse shift (PIP3161B)
2007-03-05: Information on Revised Connecting Rod Bolt Torque for Small Block GEN III and GEN IV Vortec V8 Engines (07-06-01-002)
2007-03-01: Dexron VI Fluid Usage - keywords leak seal slip (PIP4066)
2007-02-28: Body Boom Noise From Rear Of Cab - keywords back door interior panel rear (PIT3228A)
2007-02-27: Reduced Steering Effort (Diagnose/Replace Steering Wheel Position Sensor) (07-02-32-001)
2007-02-23: DTC P0128 or Engine Will Not Reach Operating Temperature - keywords 4.8 5.3 6.0 cooling coolant heat HVAC LM4 L59 LQ4 MIL P0128 PIP3267 PIP3267A radiator SES temp (PIP3267A)
2007-02-20: Information on Diesel Fuel Additives (03-06-04-017D)
2007-02-19: Eaton Locking Differential Chatter Shudder Noise On Turns - keywords bind grab grind (PIP4054)
2007-02-19: Supplement For Bulletin 01-08-60-001A - keywords bed body box broken crack end endgate endgate E37 paint panel repair smc srim tail tailgate (PIT4293)
2007-02-15: Info - New Bulletin Category: Technical Training (U.S. Only) (07-00-89-003)
2007-02-12: Universal Garage Door Opener Programming Or Concerns - keywords body home homelink information lear link operation program remote transmitter UG1 UGDO (PIT4283)
2007-02-09: Info - Availability of Transmission Shield to Protect Shift Cable/Manual Shaft Area from Snow and Ice Build-Up on Allison Automatic Transmissions (04-07-30-018B)
2007-02-07: Cold Engine Idle Misfire Or DTCs P0171 P0174 - keywords 4.8 5.3 6.0 air cold crack hesitate idle intermittent internal intake leak lean misfire miss P0171 P0174 P0300 power rough surge vacuum (PIP3232B)
2007-02-01: Info - Automatic Transmission Shift, Engine Driveability Concerns or Service Engine Soon (SES) Light On as a Result of the Use of an Excessively/Over-Oiled Aftermarket, Reusable Air Filter (04-07-30-013B)
2007-01-31: Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft (I-Shaft) Assembly) (00-02-35-003M)
2007-01-31: Exhaust Moan/Vibration Noise (Install Exhaust System Flex Pipe Kit) (02-06-05-003F)
2007-01-24: KeyCode Security Rules and Information on GM KeyCode Look-Up Application (06-00-89-051A)
2007-01-23: Excessive Shifter and/or Engine Vibration, Bearing Growl and/or Rattle Type Noise While Depressing or Releasing Clutch Pedal (Replace Flywheel and Flywheel Mounting Bolts) (04-07-31-006B)
2007-01-23: Sunshade (Visor) Vanity Mirror Bulb Inoperative (Replace Vanity Mirror Bulb Only) (06-08-42-002A)
2007-01-17: Info - Hem Flange Rust Repair (02-08-98-002B)
2007-01-12: Intermittent Ratio Codes or Range Inhibit With No DTCs - keywords P0500 P0729 P0731 P0732 P0733 P0734 P0735 P0736 ses (PIP3598A)
2007-01-11: Info - Non-GM Parts and Accessories (Aftermarket) (04-06-04-054A)
2007-01-10: Warranty Admin. - Labor Time Revision for C0182 and C0183 Labor Operations (07-08-64-001)
2007-01-05: Slight Vehicle Movement In Park At Start Up After Cold Soak - keywords 3T40 4L60 4L60E 4L65E 4L80E 4L85E 4T40E 4T45E 4T60 4T60E 4T65E 4T80E 5L40E 5L50E 6L50 6L80 6L90 6T70 6T75 AF225 AF235aisan (PIP3763A)
2007-01-04: Info - Inspection of Tire and Wheel Size Prior to Diagnosis of Transmission Shifts, Poor Performance, Speedometer, Cruise Control Concerns (01-03-10-010F)
2007-01-04: Info - Guidelines for Using E2020-Wheel Alignments, E2000-Toe Adjust and E0200, E0201, E0203, E0204-Wheel Balance (01-03-10-012C)
2007-01-03: Inaccurate Fuel Gauge Readings P1172 P2066 P0461 P2068 And/Or P2636 - keywords dual empty erratic full gage inoperative pump rear sender tank transfer (PIT3630E)
2007-01-03: Info - Grinding and/or Growling Noise in Park on Incline (99-07-30-030E)
2007-01-03: Information on Low Fuel Lubricity and Fuel System Metal Contamination (99-06-04-047C)
2006-12-22: L59, LR4, LM4, LM7, LQ4, LQ9, LS1, LS6 New Exhaust Manifold Bolts and Torque Specifications for GEN III Vortec Engine (06-06-01-026)
2006-12-13: Diesel Engine Hard Start Temperatures Below Freezing - keywords additive cold filter freeze fuel gel gelling LBZ LB7 LLY no P0087 P0093 P1093 restriction temp temperature vacuum wax waxing (PIP3317E)
2006-12-13: Information on OnStar Analog-Only Systems (06-08-46-007)
2006-12-08: Intermittent Service 4WD Light Comes On With DTC C0306 Or C0308 Stored In TCCM - keywords 1625 1626 246 263 246EAU 263EAU 3023 case MIL NP1 NP8 NQF NQH transfer (PIP3526B)
2006-12-07: Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 (02-07-30-001E)
2006-11-28: LB7/LBZ/LLY/LMM - Intermittent Driveability Conditions-No Crank, Crank No Start, Hard to Start, MIL/SES, HEsitation, Lack of Power, Surge, Misfire, Fuel Knock, IPC Indicates No Oil Pressure, DTCs Set (04-06-04-001C)
2006-11-28: Info - TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only (04-06-04-047G)
2006-11-28: Pop/Clunk/Click Noise On Right Or Left Turns Felt In The Floor - keywords body bolt insulator mount pan suspension (PIT3118M)
2006-11-27: No Start With DTC P1626 Or P1631 - keywords crank deterrent no nostart stall theft theftdeterrent (PIT4001A)
2006-11-09: Crank No Start When Cold Due To Compression Loss - keywords cylinder cylinderhead extended hard head lifter loss (PIP3146B)
2006-11-08: Exhaust Moan Or Vibration Supplement To 02-06-05-003E - keywords noise pipe resonance vibration 00 01 02 02-06-05-003E 02-06-05-003D 02-06-05-003C 02-06-05-003B 02-06-05-003A 02-06-05-003 03 04 050-06 (PIT3566B)
2006-11-06: SMU - Discontinue Use of Sealer on Fuel Injection Line Fittings (06-06-04-060)
2006-11-01: Info - Improved Bleeding Procedure for Hydraulic Clutch Release System (01-07-31-002B)
2006-10-30: Info - Exterior Lamp Condensation/Moisture/Water and Replacement Guidelines (01-08-42-001D)
2006-10-30: Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) (01-07-30-032D)
2006-10-27: Tire Scrub Noise Or Crow Hop During Low Speed Turns - keywords bind front shudder steering suspension vibration wheel (PIT3026B)
2006-10-25: Info - Diagnostic Tips/Recommendations When Power Steering Pump Replacement is Necessary (06-02-32-013)
2006-10-24: Warranty Admin. - Revised Mass Air Flow Core Return Requirements (06-06-04-057)
2006-10-18: Service Part Pump Cover Identification - keywords fluid leak pressure seal (PIP3946)
2006-10-17: Information on Servicing Fuel Injectors to Avoid Contamination (03-06-04-036A)
2006-10-16: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) (04-06-04-007G)
2006-10-11: Dual Tanks Fuel Gauge Defaults To Empty-New Calibrations - keywords dual empty fuel gauge low no P0461 P0462 P0463 P1172 P1432 P1433 P2066 P2067 P2636 program pump sender stall start tank transfer (PIT4150)
2006-10-10: Special Policy Adjustment - Injectors - Replace (04039A)
2006-10-10: Info - I/M Readiness as Part of Emission Inspection and Maintenance Program for OBD II Vehicles (00-06-04-033B)
2006-10-10: Info - Current Model Year Goodwrench Transmission Replacement Assembly Program (00-07-30-009B)
2006-10-09: Info - Metal Panel Bonding (02-08-98-001C)
2006-10-04: Security MIL On With No DTCs - keywords ECM IPC passlock start theft (PIT3636A)
2006-10-03: Info - Eliminating Unwanted Odors in Vehicles (00-00-89-027D)
2006-09-28: Service VME - Additional Information About Passenger Presence Systems (PPS) - keywords bladder information passenger PPS presence restraint seat sensor SIR system weight (PIT4138)
2006-09-28: Info - Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles (05-03-07-009A)
2006-09-27: Info - 20 Inch Wheels Available Through GM Accessories (03-03-10-006F)
2006-09-26: P0300 Cylinder 7 Misfire Due To Fuel System Contamination - keywords CEL contaminated DTC engine gas L59 L76 L92 LC9 LMG LR4 LM7 LY2 LY5 LY6 LQ4 LQ9 miss P0302 P0307 P0308 SES tank water (PIP3055A)
2006-09-23: Left Front Axle Shaft Difficult To Remove - keywords axle differential leak seal shaft shudder (PIP3340C)
2006-09-22: Info - Pitting and Brake Dust on Chrome Wheels (04-03-10-012A)
2006-09-20: Transfer Case Driveline Growl at 1100-1200 RPM - keywords gear noise rattle (PIP3156B)
2006-09-20: Replacement Door Hinge Pin/Bushing Kit - keywords bind cargo front rear side worn (PIT3464A)
2006-09-18: Information on Grade Brake Feature of Allison 1000 Series Transmission (02-07-30-004C)
2006-09-14: Info - GM Fuel System Treatment PLUS, Fuel Sending Unit Corrosion and Fuel System Deposits (05-00-89-078A)
2006-09-12: Information on Engine Misfire MIL/SES Light Illuminated or Flashing DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0420 or P0430 (06-06-04-046)
2006-09-12: Info - Distortion in Outer Surface of Vehicle Glass (00-08-48-005B)
2006-09-12: Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission/Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
2006-09-08: Information on Discoloration, Blistering, Peeling or Erosion of Various Exterior Emblems Including Chevy Bowtie (06-08-111-004)
2006-09-08: Rattle/Clunk Type Noise During Body Twist Maneuvers Or Over Bumps - keywords assist bar contact creak frame metal mount pop squeak step suspension (PIT3089C)
2006-09-08: Electronic Transfer Case Unable To Complete Shift - keywords code DTCs hot inoperative (PIP3424A)
2006-09-07: Information on Proper Wheel Changing Procedures and Cautions (06-03-10-010)
2006-08-31: Repeat HVAC Control Head Replacement - keywords control electrical ground inoperative module short (PIT4115)
2006-08-30: Rattle Noise In Engine (Install Timing Tensioner Kit) (03-06-01-024C)
2006-08-30: Engine/Balance Shaft Rattle Noise (00-06-01-023C)
2006-08-28: Info - Spare Tire is a Different Size than Other Tires (02-03-10-001C)
2006-08-28: Tire Slowly Goes Flat and/or Excessive Wheel Vibration Caused by Bead Splits (Replace Wheels with New Heavy Duty Rim Version) (03-03-10-001C)
2006-08-25: Allison LTC1000 Discolored Transmission Fluid With No Loss In Performance - keywords condition contaminated (PIP3254A)
2006-08-24: Grind/Ratchet Noise Occurs When Shifting Into Park While in 4 Wheel Drive Low - keywords case shift transmission transfer (PIP3366A)
2006-08-24: Info - Replacement of Connector When Replacing Fuel Tank Module/Fuel Pump Module (04-06-04-088C)
2006-08-22: Remote Keyless Entry Interference; Use of J43241 Fob Tester (PIT4105)
2006-08-17: 4T65E Whine Noise Park/Neutral - keywords bearing drive sprocket support (PIP3894)
2006-08-15: Engine Coolant Recycling and Warranty Information (00-06-02-006D)
2006-08-15: Vehicle Lean Diagnostic Information - keywords body box front left sag spring suspension (PIT3098A)
2006-08-14: Loss of Power Hesitates on Acceleration - keywords 2.8 3.5 4.2 4.3 4.8 4L60E 4L65E 5.3 5.7 6.0 accelerate cold L35LK5 LL8 LM7 loss LQ4 LQ9 LS1 LS6 LU3 M30 M32 miss misfire neutral no performance power (PIP3796A)
2006-08-11: TCC Engagement in 1st, 2nd or Reverse - keywords chuggle shudder (PIP3885)
2006-08-11: 4L60E/4L65E/4L70E Snap Noise 2-1 Downshift - keywords clunk (PIP3106B)
2006-08-11: Info on Utra Low Sulfur Diesel Fuel and Warning Labels on Fuel Station Pumps -This Info Applies to Diesel Engines w/RPOs LBZ, LB7, LH6, LLY, LMM, LL4, LQM, LQN, L49, L56, L57, L65, LG4, 1C3, 1C2, 1L5 (06-06-04-041)
2006-08-11: Poor Acceleration from a Stop or Detonation in Gear at a Stop - keywords code DTC low MIL ping (PIP3144B)
2006-08-07: Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
2006-08-04: Info - Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing (06-06-04-037)
2006-08-04: Information on Allison Transmission Service Repairs - Full Service of Internal Components (03-07-30-044C)
2006-08-04: Light and Medium Duty Truck Warranty and Crossline Warranty Eligibility and Guidelines for Chevrolet and GMC Dealers (02-00-89-007A)
2006-08-01: Info - Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels (00-03-10-002D)
2006-07-31: Lack of Steering Assist or Shudder During Parking Lot Type Manuevers - keywords bind booster hard hydraulic noise (PIT3386D)
2006-07-28: SIR MIL with DTC B1001 After BCM or SDM Replacement - keywords calibration ECM MIL module PCM program theft (PIT4093)
2006-07-28: Info - Recreational (Dinghy) Towing (00-00-89-008F)
2006-07-27: Clutch Pedal Fade or Clutch Will Not Disengage Typically when Towing - keywords engage hard shift (PIP3870)
2006-07-25: Info - Contaminated R134a Refrigerant Found on Market for Automotive Air-Conditioning Systems (06-01-39-007)
2006-07-24: Unwanted/Loose Seat Movement (Apply Adhesive and Install New Bolts in Seat Mounting Rails) (05-08-50-012A)
2006-07-21: Owner Manual and Warranty Information in Service Information (SI) Website/Distributed on CD (06-00-89-036)
2006-07-11: Harsh Shift After Cold Start - keywords DTC MIL P1810 (PIP3857)
2006-07-10: Gen III V8 Piston or Crankshaft Repairs - keywords crank cylinder engine knock L59 LM4 LM7 LQ4 LQ9 LR4 LS1 LS6 noise pin rod tick (PIP3691D)
2006-06-19: Info - Refinishing Aluminum Wheels (99-08-51-007C)
2006-06-16: Rear Differential Side Gear Kit, Case and Starter Shim Usage - keywords axle differential gear shim (PIP3840)
2006-06-12: Info - Promotional Pricing on Essential Tool Consumable Products (02-00-89-017B)
2006-06-08: Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE (99-04-20-002D)
2006-06-02: Squeak Noise From Rear of Vehicle (Lubricate Rear Leaf Springs) (06-03-09-004)
2006-06-01: How To Reset The CHECK OIL LEVEL Message - keywords DIC ECM engine IPC PCM sensor wire (PIT4025)
2006-05-30: GM Product Recall Campaign Follow Up Post Card (06-00-89-019A)
2006-05-25: Fuel Gauge Fluctuation in Park or Neutral - keywords gage inaccurate intermittent IP IPC (PIT3046D)
2006-05-25: Information Regarding Automatic Transmission Shift Lock Control Function (03-07-30-043A)
2006-05-17: Info - Instructions to be Followed to Aid in Obtaining Root cause Analysis on Both OEM and Goodwrench Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
2006-05-17: Info - Updated Transfer Case Connector Service Kit Now Available for Transfer Case Speed Sensor Wire Harness Connector that Comes Loose or Connector Retainer Clip Breaks (06-04-21-001)
2006-05-16: Diesel Engine with Injector Driver Codes P0201-P0208 - keywords 6.6L DTC FICM LB7 MIL miss misfire power P0202 P0203 P0204 P0205 P0206 P0207 P2146 P2149 SES (PIP3817)
2006-05-16: Antilock Brake (ABS) Activation at Low Speeds (Clean Wheel Speed Sensor Mounting Surface) (03-05-25-007C)
2006-05-05: Squeak or Noise From Front End Over Bumps - keywords rear suspension body turn (PIT3401A)
2006-05-04: Info - Repairing Napped Seat Fabric (04-08-50-011A)
2006-05-02: Info - Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
2006-05-02: SPS Programming Concerns - keywords cluster communication DDM Door EBCM EBTCM engine gate HVAC IPC lift LGM module PCM PDM program SDM TBCM (PIT3418B)
2006-04-27: LBZ, LB7, LLY, Service Engine Soon (SES) Light Illuminated, DTC P0116, P0181 Set with Engine Coolant Heater Usage in Ambient Temps Above -18 Degrees C (0 Degrees F) (Replace Engine Coolant Heater Cord (06-06-04-027)
2006-04-26: Diagnostic Information on Turbocharger Malfunction Due to Lack of Engine Oil for LBZ, LB7, LLY Duramax Diesel Engine (03-06-93-001C)
2006-04-24: Exhaust Vibration, Resonance or Moan - keywords 4.8L 5.3L 6.0L A/C acceleration air conditioning fluctuation idle intermittent L59 LM7 LR4 LQ4 LQ9 moan noise resonance rough vibration (PIP3121E)
2006-04-21: Product Safety - Front Wheel Speed Sensor Corrosion (05068B)
2006-04-19: Intermittent Neutral from a Stop or 2-3 Shift - keywords 4L60E 4L65E flare launch slip (PIP3002D)
2006-04-19: Information on Eliminating Noise in Audio System When using Portable Playback Device (06-08-44-015)
2006-04-13: Low Tire Pressure, Leaking Cast Aluminum Wheels (Repair with Adhesive Sealant) (05-03-10-003B)
2006-04-11: Info - Cellular Error Messages Received when Trying to Connect to OnStar (02-08-46-004A)
2006-04-06: Discontinuation of the Field Product Reminder Bulletin/Bulletin Subscription Information (06-00-89-018)
2006-04-05: Premature Pump Shut Off When Refueling - keywords 4.3 4.8 5.3 6.0 8.1 fill filler fuel hard hardtofill L18 L33 L35 L59 L76 LC9 LM7 LMG LQ4 LQ9 LR4 LY5 nozzle (PIT3961)
2006-04-04: Information - Iridium and Platinum Tip Spark Plug Maintenance - keywords 30K major minor preventative removal remove replacement tune up (PIP3069C)
2006-04-04: Manual Camper Style Outside Mirrors (DF2) Do Not Lock Into Detent - keywords body door left right wind (PIT3950)
2006-04-04: Identifying Duramax Diesel LB7/LLY/LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components (06-06-01-007)
2006-04-03: SMU - Revised Hinged Body Side Window Replacement (06-08-48-001)
2006-03-29: Info - Vibration Analysis Worksheet (03-00-91-001C)
2006-03-29: Info - Urethane Adhesives for Stationary Glass and Other Applications (02-08-48-001B)
2006-03-28: Downhill Cruise Control Surge - keywords buck chuggle decelerate driveability flare gas L18 L33 L59 LM7 LQ4 LQ9 LR4 performance (PIT3073A)
2006-03-24: Info - Light Service Support Vehicle LSSV and Enhanced Mobility Package EMP - RPO EM7 Vehicle (Formerly Commercial Utility Cargo Vehicle - CUCCV II and III) Service (U.S. ONLY) (99-00-89-015F)
2006-03-16: Remote Start System May Induce O2 Sensor Heater Codes - keywords 4.8 5.3 6.0 aftermarket circuit cold DTC fob heat intermittent key L59 LM4 LM7 LR4 LQ4 LQ9 MIL performance P0053 P0054 P0059 P0060 (PIP3733A)
2006-03-08: Parking Brake Drum-In-Hat Portion Has Knurled Appearance - keywords park noise rotor shoe (PIT3916)
2006-03-07: Intermittent No Crank, No Start (Clean Battery Side Terminal Stripped Threads, Replace Battery Cable Bolt) (02-06-04-015A)
2006-03-02: Warranty Admin. - Labor Operation Assignments for All Control Module Reprogramming (02-06-04-057E)
2006-03-01: Info - Proper Use of OEM Service Wheel Weights, Marring and/or Damage Due to Use of Non-OEM and/or Incorrect Wheel Weight Installation (06-03-10-004)
2006-02-27: Product Safety - Parking Brake Shoe and Drum Contact (05042B)
2006-02-24: Service VME - Underbody Corrosion - keywords appearance body frame rust (PIT3749A)
2006-02-24: Questions Regarding Installation of Dealer Installed Accessories - keywords 2.8 3.5 4.2 4.8 5.3 6.0 8.1 accessory part Partech (PIT3099C)
2006-02-21: Rules of Thumb American Axle Manufacturing General Information - keywords accelerate axle clunk damage decelerate differential noise odor overheat rear rules specification speed steady tow vibration w (PIP3720)
2006-02-17: Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair and the Importance of J-38125 Terminal Repair Kit Maintenance (06-08-45-001)
2006-02-16: Info - Power Window Regulator Now Available Separately From Motor (05-08-64-029B)
2006-02-14: Info - Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004b)
2006-02-14: Info - Diagnostic Tips For Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start (01-07-30-036F)
2006-02-13: Info - Radio Knobs Available for Service (05-08-44-029A)
2006-02-09: Diagnostic Information for Front Wheel Drive Transaxle/Transmission Final Drive and/or Front Hub Bearing Hum and/or Grind Noise (06-07-30-006)
2006-02-07: Info - Unable to Connect to OnStar or OnStar Personal Calling Inoperative (04-08-46-003B)
2006-01-30: Allison Transmission Leaks, Slips, Vehicle Will Not Move (Replace Rear Extension Housing, Change Torque Converter Relief Spring/Lube Regulator Spring, Diagnose/Repair Driveline Imbalance) (03-07-30-031E)
2006-01-27: Service VME - Use Correct Engine Oil Drain Plug - keywords drain engine leak oil pan plug replace (PIP3696)
2006-01-24: Info - Expediting Warranty Parts (99-00-89-021E)
2006-01-20: Information on Longer Main Bearing Cap Bolts Required on Certain 2001-2006 LB7, LLY, LBZ Duramax Diesel Engines (06-06-01-003)
2006-01-19: 4WD Models with Noise, Vibration on Dry Pavement - keywords 04-04-18-001D 226 233E 236 241 243E 246 246EAU axle bearing bind case chatter chuggle decelerate differential front grab high HI4 (PIP3300A)
2006-01-18: Info - New Product Feedback Form and Process for Automatic Transmission Core Returns (01-07-30-029A)
2006-01-12: 4T65-E Automatic Transmission Fluid Leak from Reverse Servo Cover (Replace Reverse Servo Cover Seal) (04-07-30-028A)
2006-01-11: IPC, Interior Lights and/or Headlamps Flicker - keywords battery courtesy electrical fluctuation generator head intermittent lamp light (PIT3170E)
2006-01-10: Poor radio reception - keywords antenna AM FM mast tool (PIT3839)
2006-01-04: Info - Maintenance Cleaning of Fuel Injectors (04-06-04-051B)
2005-12-22: Warranty Admin. - New Add Time for Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
2005-12-14: Allison LCT1000 Will Not Shift From Park Due to Ice, Snow or Mud Build-up on Shift Linkage - keywords cover hard ice M74 MW7 NSBU park remove shift snow transmission shield (PIP3651)
2005-12-07: SMU - Revised Front Drive Axle Carrier Lubricant Information (05-00-90-010)
2005-11-30: Rattle/Squeak from Front of Vehicle (Replace Lower Portion of Upper Insulator Assembly) (03-03-08-002B)
2005-11-23: Fog Lamps Inoperative - keywords BCM lamp light switch (PIT3782)
2005-11-21: Info - Paint-less Dent Repair Process (99-08-51-001A)
2005-11-21: Product Safety - Tailgate Support Cable (04007B)
2005-11-21: Rubbing or Scratching Noise When Front Driver or Front Passenger Power Windows are Activated (Install New Anti-Noise Sleeve on Window Regulator Support) (05-08-64-038)
2005-11-18: Ping, Pop, Snap or Click Noise from the Propeller Shaft - keywords accelerate axle differential drive driveline garage gear intermittent noise ping pop prop propshaft rear reverse shift tick (PIP3105D)
2005-11-16: Info - New PAG Oil Released (02-01-39-004B)
2005-11-04: Light Duty Truck, Van, Utility Rear Axle Lubrication Service Interval - keywords differential fluid housing label oil (PIP3001A)
2005-11-02: Info - Use of Correct Installation Procedure for Loose Hubcap Assembly (03-03-10-002B)
2005-10-25: Noise from Steering at Low Speeds - keywords assist bearing bump chatter clunk column EVO gear linkage moan shaft turn vibration (PI00299A)
2005-10-21: Information on New Essential Tool EN-47909 Injector Bore Cleaning Kit for 6.6L Duramax Diesel Engine (RPOs LB7, LBZ, LLY) (05-06-04-067)
2005-10-20: Trip Odometer Resets While Cranking or Ignition Cycle - keywords cluster IPC instrument (PIT3399A)
2005-10-18: 4L60-E/4l65-E Automatic Transmission Diagnostic Information on Harsh 1-2 Upshift (01-07-30-030B)
2005-10-18: Allison Transmission Oil Leak, Abnormal Knocking Noise Heard at Idle (Diagnose and Repair as Required) (03-07-30-038A)
2005-10-18: Allison Transmission Oil Leak, Abnormal Knocking Noise Heard at Idle (Diagnose and Repair as Necessary) (03-07-30-037C)
2005-10-13: SMU - Revised Surges/Chuggles Diagnostic (02-06-04-028A)
2005-10-13: Allison LCT1000 Valve Body Differences and Identification - keywords automatic chuggle DTC delay drive engage forward gear movement reverse slip shift shudder solenoid TCC (PIP3589)
2005-10-06: Info - Transmission Fluid Leak Diagnosis (01-07-30-041B)
2005-09-23: MIL On, Transmission Stuck in Second or Third Gear, IPC Inoperative, DTCs P0740,P0753,P0758,P0785,P0787,P0973,P0976,P1860,P2761,P2764 and/or P2769 Set (Verify and Repair Source of Voltage Loss (01-07-30-002E)
2005-09-16: Customer Satisfaction - 15,000 Mile (24,000 km) Fuel Filter Change (05546A)
2005-09-01: Information on the Upcoming Safety Recall 05068 Front Wheel Speed Sensor Corrosion - keywords ABS activation brake campaign sensor speed unwanted (PIT3707)
2005-08-19: No Start, Rough Idle or Erratic Injector Balance Rates - keywords 6.6 crank cut DTC fuel hesitate high LB7 LLY P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 P0335 P0336 sensor SES shift (PIP3375A)
2005-08-18: Info - Diagnosis of Cracked or Broken Transmission Case (02-07-30-024B)
2005-08-18: Torsion Bar Crossmember Bushing Replacement - keywords bar bracket break broken bushing clunk front insulator loose mount noise pop steering suspension torsion turn (PIT3459A)
2005-08-17: Info - Release of GM Tool Organizaiton DVD Version 8.0 (J-43921-G) (05-00-89-056)
2005-08-10: Inspection of Related Wiring Harness Connections When Diagnosing Misc. DTCs, Intermittent Driveability Concerns, Hard Start, No Start, Incorrect Gauges, Inop I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
2005-08-05: Info - SPAC Case Escalation Process (05-00-89-050)
2005-08-03: Info - First and Second Design Clutch Hub and Apply Plate for NV246 Transfer Case (05-04-21-005)
2005-08-02: Info - Guidelines for Proper Use of Labor Operation Numbers when Servicing Transfer Case (05-04-21-004)
2005-07-29: Information on a Revised Fuel Filter for 6.6L LLY and LB7 Duramax Diesel Engine (04-06-04-070A)
2005-07-21: Addition of Pickup Box End Gate Latch Handle Bezel Procedure (05-08-66-005)
2005-07-14: Excessive Oil Consumption - keywords bolt gasket head intake (PIP3193B)
2005-07-13: Service VME - Pickup Box Sheet Metal Fracture/Damage with Aftermarket Accessories Installed - keywords 01-08-66-014A bed bend body box break broken endgate panels (PIT3658)
2005-06-28: Info - Rear Window Defogger - Broken Heating Grid Detection Method (04-08-48-001B)
2005-06-27: Warranty Admin. - Out-Of-Warranty Parts for Engineering Analysis (05-00-89-037)
2005-06-23: Compensating for Different Axles Ratio and Tire Sizes with a VCI Number - keywords calibration ECM PCM pinion recalibrate reflash reprogram ring wheel TCSC techline (PIP3096B)
2005-06-08: Info - On-Car Brake Lathe Specifications and Maintenance Requirements (05-05-22-001)
2005-06-03: Goodwrench Powertrain Wholesale Program (U.S. Only) (05-06-01-017)
2005-05-26: SMU - Revised Maintenance and Lubrication for Automatic Transmission Service Interval/correct Filter to Replace (05-00-90-005)
2005-05-17: Information on Higher Than Expected Oil Consumption (02-06-01-027A)
2005-05-12: Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool (05-06-02-006)
2005-05-10: Duramax Diesel Pilot to Main Injection Fuel Knock Noise - keywords 6.6 6.6L accelerate engine injector LB7 LLY RPM transition (PIP3422)
2005-05-03: Info - General Motors Dealership Critical Equipment Requirements and Recommendations (05-00-89-029)
2005-05-02: Range Inhibit or No Forward, Reverse with No Codes - keywords allison first lct1000 movement (PIP3413)
2005-04-29: SMU - Revised Crossmember/Body Mount Bolt Installation Information (05-08-61-005)
2005-04-29: SMU - Revised DTC P0236 (05-06-04-031)
2005-04-28: Product Emission - Ignition Distributor System Corrosion-Inspect/Replace (05500)
2005-04-27: Repeat TCM Failures with Possible Multiple DTCs - keywords 6.6 8.1 adjust allison engage L18 LB7 lct1000 nsbu P0561 P0562 P0880 P1571 P1760 PQC PRNDL shift slip switch U1000 U2105 (PIP3409)
2005-04-14: Diagnostic Trouble Code (DTC) P1172 or P2636, Fuel Gauge Reads Empty, Service Engine Soon (SES) Light On (Relocate Auxiliary Fuel Tank Vent Hose) (05-06-04-008A)
2005-04-12: SMU - Revised Stabilizer Shaft Link Replacement Procedure and Fastener Tightening Specifications (05-03-08-006)
2005-04-12: Info - Top Tether Hardware Package for Child Restraint Seats (99-09-40-004a)
2005-04-12: Info - OnStar System Cellular Antenna Replacement Parts Availability (00-08-46-002A)
2005-04-12: Shudder on Turns - keywords 136 236 246 4WD automatic AWD bind case contaminated NP4 NP8 vibration (PIP3012D)
2005-04-08: Info - Low Effort Parking Brake Apply System (01-05-26-001A)
2005-04-06: NVG246 NP8 4WD Inoperative DTC C0308 ATC Fuse Open - keywords case cold electrical ground hi4 hot lamp light lo4 no switch TCM transfer U1016 U1026 U1041 U1064 U1301 wire (PIP3389)
2005-04-05: Trailer Brakes Applied When Headlights/Park Lamps Are On, Brake Controller Illumination (Modify Brake Controller Wiring Harness) (02-05-22-004C)
2005-03-29: 6.6L LB7 LLY Drive Belt Chirp When the Engine is Shut Off - keywords belt chirp noise engine off (PIP3378)
2005-03-24: Info - Revised Front Caster and Camber Adjustment Procedure (02-03-07-002A)
2005-03-24: Information on Cleaning Discolored Passenger Side Air Bag Cover (05-08-110-003)
2005-03-23: SMU - Revised DTC U2104 (05-06-04-025)
2005-03-21: Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections (03-05-24-001A)
2005-03-17: Info - GM Parts Ordering System (05-00-89-018)
2005-03-17: Adm Msg - Steering Idler Arm Inspection Procedure (VSS20050436)
2005-03-17: SMU - Revised DTC P1172 and DTC P2636 (05-06-04-024)
2005-03-11: Fuel Injection Pump Exchange Program (99-06-04-041C)
2005-03-10: Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) (05-04-21-002)
2005-03-08: Oil Leak at Oil Cooler to Engine Block Mating Surface (Replace O-rings, Apply Sealant) (02-06-01-023E)
2005-03-08: Info - Vehicle Integration of Cellular Phones and Normal Operating Characteristics (01-08-46-004A)
2005-03-08: Information on Excessive Use of RTV Silicone Sealant on New Venture Gear (NVG) and Borg Warner Transfer Cases During Service (05-04-21-001)
2005-03-08: 1999-2005 Chevrolet/GMC/Cadillac All Full Size Trucks and Utilities Freon Leak Low Refrigerant Charge - keywords blows cap cooling cold compressor freon hose hvac leak line r134a (PIT3476)
2005-03-08: Outside Rearview Mirror Housings Come Loose From Base (Install J Hook) (05-08-64-007)
2005-03-08: 1999-2005 Light Duty Trucks and Utilities - 8.625 Rear Axle Pinion Head Bearing and Race Design Change - keywords differential drive information noise part performance overheat (PIP3360)
2005-03-07: Info - Required Reconfiguration on OnStar Modules After Replacement (01-08-46-001A)
2005-03-04: 2001-2005 Chevrolet Silverado and GMC Sierra LCT1000 Equipped Vehicles with DTC P0706 - keywords code MIL SES (PIP3357)
2005-03-01: 4WD Inoperative DTC U1026 ATC Fuse Open on Light Duty Trucks, Utilities with NVG 236/246 T/case - keywords cold electrical fuse hi4 inoperative lamp light no switch wire (PIP3349)
2005-02-15: 6.6 LB7 LLY Diesel Hard Start/No Start Outside Temperature Below Freezing - kwfuel cold gelling wax hard additive smoke white blackprime ice water filter power P0087 P0093 P1093 (PIP3317A)
2005-02-09: Info - Global Position Sensor (GPS) Performance Degradation (00-08-46-003B)
2005-02-09: Info - Proper Air Bag System Diagnosis and Service (03-09-41-003A)
2005-02-09: 2001-2005 Chevrolet Silverado CK2500HD C/K3500 GMC Sierra C/K2500HD C/K3500 Allison LCT1000 PRNDL Flash and/or Will Not Move - kw dtc no fifth fourth gear first flash forward overheat GMT800 (PIP3130B)
2005-02-08: Pickup Box Sheet Metal Fracture/Damage with Aftermarket Accessories Installed (Repair Pickup Box Damage and Install Pickup Box Reinforcements) (01-08-66-014B)
2005-02-04: Info - Availability of Pickup Box Reinforcement Kits for Toolbox/Rear Window Barrier/Ladder Rack Applications (01-08-66-005C)
2005-02-04: 01 - 05 Chevrolet Silverado and GMC Sierra with 6.6L Diesel Inaccurate Outside Temperature Reading on Inside Rearview Mirror - kw accessory air block body bracket center cover display fender front hot (PIT3422)
2005-02-02: 01 02 03 04 6.6L LB7 Duramax Diesel Engine DTC P0093 P1093 - kw data fuel MIL stall hard hose restriction start nostart no (PIP3314)
2005-01-31: Warranty Admin. - Guidelines for Claiming C0034 - Windshield Replacement (05-08-48-001)
2005-01-31: 4L60E, 4L65E Replacement Valve Body Gaskets Does Not Seem to Fit - kw chatter clutch repair second shift shudder slip (PI00773)
2005-01-28: Poor Engine Performance-Misfire, Rough Idle, Stalls, Engine Cranks but Does Not Run, SES/Check Engine Light On, DTC P0300 Set (Inspect Distributor Ignition(DI) System Components, Replace as Necessary) (05-06-04-007)
2005-01-26: 1999-2005 Chevrolet/GMC/Cadillac/Hummer H2 Full Size Trucks and Utilities Fuel Gauge Inaccurate Supplement to 04-08-49-018E - kw nostart stall sensor crank no start tank (PIT3383A)
2005-01-25: Product Safety - Front Wheel Speed Sensor Corrosion (04094)
2005-01-24: Info - Compact Disc (CD) or DVD Player Skipping, Inoperative, Sluggish and/or Long Search Times (05-08-44-001)
2005-01-19: Info - Rear Parking Brake Shoe Retaining Spring Clip Service Kit for Drum-in-Hat (DIH) Equipped Vehicles (02-05-26-001C)
2005-01-17: 99 - 05 Chevrolet/GMC/Cadillac All Full Size Trucks and Utilities Shock Weepage When Vehicle Lifted on a Hoist - kw suspension leak fluid oil cold temperature lift rear front left right (PIT3384)
2005-01-17: Diesel Engine Injector Balance Rates All Showing Zero - kw 6.6 LB7 LLY rough idle miss misfire driveability inoperative P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 (PIP3292)
2005-01-17: Service VME - 99-05 Cadillac/Chevrolet/GMC/Hummer All Full Size Trucks and Utilities Ignition Key Cannot Be Rotated in the Steering Column Lock Cylinder - kw inoperative stuck (PIT3382)
2005-01-14: Info - OnStar Proactive Parts Shipment Process (02-08-46-013A)
2005-01-13: 00 - 05 Chevrolet , Buick , Oldsmobile and Cadillac Mid-Size and Full Size Truck/Utilities SIR Light On Steady After Bulb Test and No DTCs - kw 01-09-41-003 MIL lamp latch lock module (PIT3373)
2005-01-07: All General Motors Passenger Cars, Trucks and Utilities Use of Star Washer on a Body or Chassis Ground - kw wire connector terminal starwasher star washer (PIT3353)
2005-01-06: Whistle Noise from the Throttle Body Area on Light Throttle Acceleration - kwidle intake manifold off accelerate GMT305 GMT360 GMT370 GMT800 GMT805 GMT806 GMT820 GMT830 (PIP3086A)
2005-01-05: Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Level Sensor) (04-08-49-018E)
2005-01-05: Clunk, Bump or Squawk when Vehicle Comes to Complete Stop or Accelerating from Complete Stop or Accelerating from Complete Stop (Replace Rear Drive Shaft Nickel-Plated Slip Yoke) (01-04-17-004B)
2005-01-05: Information on the Proper Air Filter for the Duramax Diesel (05-00-90-001)
2005-01-03: 96 - 05 Light Duty Trucks and Utilities with 4L80E Output Carrier Thrust Washer Changes - kw automatic bearing MT1 overhaul noise part repair transmission shift slip washer (PIP3276)
2004-12-13: Info - Battery Specification Label (04-06-03-016)
2004-12-10: No Reverse, Second Gear or Fourth Gear (Replace Reaction Sun Shell with More Robust Heat Treated Parts) (00-07-30-022C)
2004-12-06: 6.6L Engine Oil Leak at Main Bearing Cap Side Bolt - kw sealant seal LLY LB7 diesel (PIP3011C)
2004-11-18: Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve) (03-06-02-005B)
2004-11-18: Info - Shipping Enhancements for Owners Manuals and Service Manuals Ordered from Helm, Inc. (04-00-89-057)
2004-11-18: Warranty Admin. - Warranty Return Parts (04-00-89-051)
2004-11-16: 6.6L (LB7) Engine Vibration, Misfire, Rough Idle , and No DTCs - kw contaminated contamination diesel flywheel foaming fuel idle leak manual miss noise odor smoke vapor vent (PIP3239)
2004-11-15: 01-04 6.6L LB7 Duramax Diesel Low Power or Poor Fuel Economy - kw no performance poor proactive (PIP3125A)
2004-11-11: 6.5L Diesel Cylinder Head Cracks Between the Valve Seats - kw L56 L57 L65 diesel leak coolant (PIP3218)
2004-11-11: Service VME - 01-05 6.6 LLY LB7 Duramax Diesel Engine Air Filter Usage -kw flow turbo intake torn GMT800 (PIP3225)
2004-11-10: Info - Automatic Transfer Case Clutch Plate Shimming - Parts Availability Change (04-04-21-003)
2004-11-10: Warranty Admin. - New Alignment Procedure for Labor Operation Numbers E2020 and E2000 (04-03-07-002A)
2004-10-28: Use of Red Diesel Fuel in 6.5L or 6.6L Diesel Engines - kw dye hard INJ INT LB7 LLY L49 L56 L57 L65 miss P3 pump stall start (PIP3207)
2004-10-25: Increased Accelerator Pedal Effort from Idle Position (Clean Throttle Body and Adjust Blade) (04-06-04-079)
2004-10-25: 01-05 Allison LCT1000 Pump Separator Plate Change Disregard Additional Valve - kw 03-07-30-011B cold delay engage intermittent hesitation LB7 M74 power shift slip spring transmission automatic default (PIP3205)
2004-10-21: 6.6L LB7 Fuel Pressure Regulator Wiring Connector or Terminal Repairs - kw surge wire harness pump diesel intermittent driveability GMT800 GMT560 P0088 P0089 (PIP3149A)
2004-10-20: Info - Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines (04-08-46-002)
2004-10-19: Low Brake Pedal, Red Brake Light On, Brake System Warning Message On (Tighten Rear Brake Caliper Banjo Bolts, Replace Gaskets and Install Shields) (04-05-23-001A)
2004-10-18: 6.6 Duramax Allison LCT1000 Intermittent DTC P0742 - kw LB7 TCC transmission LLY (PIP3194)
2004-10-18: 00-05 Chevrolet/GMC/Cadillac Full Size Trucks and Utilities Squeak Chirp Rattle Noise from Left Front Suspension / Body Area - kw bump frame rub floor cable (PIT3226)
2004-10-14: Exhaust/Muffler Heat Shield Rattle, Popping Noise Under Vehicle (Install Heat Shield Retaining Straps on Muffler) (02-06-05-005C)
2004-10-13: 6.6L LB7 or 8.1L L18 Engine Low Power, Will Not Go Over 2300 RPMs - kw C4500 C5500 GMT800 GMT560 diesel LB7 LLY L18 MAF no power pressure PTO shift speed switch automatic transmission (PIP3187)
2004-10-12: 99-05 Chevrolet/GMC All Full and Mid Size Trucks and Utilities, 99-01 Oldsmobile Bravada, 02-05 Cadillac Full Size Utilities and 03-05 Hummer H2 IPC Gauges Float Up After Ignition Key Turned Off (PIT3215)
2004-10-11: Info - Squeeze Type Resistance Spot Welding/Equipment (03-08-98-002A)
2004-10-08: Information on Error Codes on Radio Display - Their Cause and Corrective Action (01-08-44-005A)
2004-10-01: 99-02 Chevrolet/GMC All Full Size Trucks and Utilities Seat Lumbar Support Self Inflates - kw inflate intermittent pump switch unwanted adjust (PIT3191)
2004-09-16: 00-01 4L80-E Harsh TCC Apply/DTC P1870 or P0741 - kw 4L80E apply automatic converter DTC hard harsh shift TCC torque transmission (PIP3047A)
2004-09-16: Allison LCT1000 Transmission Oil Cooler Line Fitting Clarification - kw automatic converter fluid hose housing leak seal wet fit part SRTA M74 (PIP3143)
2004-09-16: All 1995-2005 Passenger Cars and Trucks Information on Testing Centers for Fluid Contamination - kw brake coolant fluid fuel gasket gear hydraulic leak oil part porosity power seal specification (PIT3173)
2004-09-14: Info - Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation (01-01-38-006D)
2004-09-13: 01-05 Chevrolet Silverado/GMC Sierra C/K2500HD C/K3500 with 6.0 and 8.1 Gas Engines Exhaust Buzz or Rattle Noise - kw GMT800 LQ4 L18 cold start up (PIT3160)
2004-09-10: All GM Vehicles Using Class 2 Communications Diagnostic Strategy for DTC U1000 or U1255 - kw BCM code EBTCM radio RIM (PIT3154)
2004-08-20: 01-04 Chevrolet Silverado/GMC Sierra C/K2500HD C/K3500 6.6L LB7 Enginewith a No Charge Condition with DTC P0380 P0621- kw battery diesel ECM fuse generator voltage (PIT3121)
2004-08-19: Odometer Accuracy - kw inaccurate cluster speedometer (PIC3100)
2004-08-05: Allison LCT1000 P1781 or P0802 Setting in the ECM - kw 6.6 8.1 code CEL DTC ECM GMT560 GMT800 intermittent L18 LB7 LLY light M74 MIL P1781 P0802 PCM repeat shift start TCM transmission (PIP3094)
2004-08-05: Info - Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using New Kent Moore Special Tool GE-47742 (04-01-38-010)
2004-08-04: Allison LCT1000 Buzz Noise/Feel on TCC Apply - kw accelerate engage excessive fifth GMT800 hard performance shift (PIP3092)
2004-08-03: Warranty Admin. - Dealer Installed Regular Production Options (RPO) and Regular Production Accessories (RPA) (01-00-89-015A)
2004-08-02: Info - Repair Procedure for Service Sheet Metal, Craters in ELPO Surface (04-08-98-002)
2004-07-29: Updated Part Number for Bulletin 04-08-49-019 Stall , Inaccurate/Incorrect Fuel Gauge Reading - kw GMT800 no start nostart sensor tank (PIT3087)
2004-07-28: Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle Is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Module/Sender/Sensor) (04-08-49-019A)
2004-07-28: 99-05 Chevrolet/GMC/Cadillac All Full Size Trucks and Utilities A/C Low Pressure Switch Diagnostic Tool - kw manual automatic air condition A/C side pressure PSI inoperative poor performance warm hot (PIT3086)
2004-07-27: Warranty Admin. - Changes to General Motors Vehicle Inquiry System (GMVIS) (04-00-89-029)
2004-07-23: Info - Application of Anti-Corrosion Materials (01-08-51-003A)
2004-07-23: SES Light and P0300 When Towing , Cruising Uphill or on Hard Acceleration - kw 4.3 5.0 5.7 accelerate cruise cylinderhead DTC L30 L31 L35 LF6 LU3 P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 (PIP3081)
2004-07-22: 99-04 Light Duty Trucks and Vans with Rear Disc Brakes Information on Resurfacing Park Brake Portion of Rear Brake Rotor - kw adjust caliper clearance corrosion cut disc drum hub rust shoe stop (PIT3080)
2004-07-12: 97-05 Vehicles with 4.8 5.3 5.7 and 6.0 Gen III V8 Engines and Misfires on One Bank - kw CEL diagnostics driveability DTC P0171 P0172 P0174 P0175 P0300 P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308 (PIP3056)
2004-07-09: Loud Grinding Growling Noise from Rear of Vehicle after Hitting Bumps - kw GMT800 GMT805 GMT806 GMT820 GMT830 bind boom brake buzz chatter click clunk contaminated decelerate differential disc drum (PIT3060)
2004-07-09: Allison LCT1000 DTC P1711, P0872 After Completing Repairs - kw automatic GMT800 harsh hard intermittent leak noise repeat shift (PIP3059)
2004-07-09: 99-04 Vehicles Equipped with LR4 VIN V 4.8L or LQ4 VIN U 6.0L - Goodwrench Engine and Replacement Crankshaft Information - kw bearing block cold crank damage engine flex flexplate flywheel gasket (PIP3058)
2004-07-07: ML6 Manual Transmission Clutch Pedal Squeak - kw 6sp hot manual noise pedal warm (PIP3021B)
2004-07-02: Info - Battery Parasitic Drain (02-06-03-010A)
2004-06-22: Info - J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment (99-01-38-006B)
2004-06-22: Info - Availability of Rear Wheel Mud Flaps to Reduce Debris Build-up on Rear Brake Calipers and/or Rear Wheels (04-05-23-005)
2004-06-22: Info - New Owner Orientation Clinic Materials Now Available Online (03-00-89-002A)
2004-06-21: Slow or No Engagement of Automatic Transmission, No Start, Blank PRNDL Display, Flashing PRNDL, DTC P0708, P0872, P0847, P0875, P1711, P1713 or U1000 Set (Diagnose Condition, Repair) (02-07-30-011C)
2004-06-17: Loss of HVAC System Mode and/or Temperature Control (Replace HVAC Control Module) (04-01-39-007)
2004-06-14: SMU - Revised Diagnostic System Check-Engine Controls (04-06-04-042)
2004-06-14: Windrush Around Windshield (Install New Windshield Reveal Moldings) (04-08-48-003)
2004-06-14: Idle Instability, Low or Rough Idle with Electronic Throttle Control (Clean Throttle Body) (04-06-04-040)
2004-06-03: Information on Revised Design of Intake Gasket and Related Bolts for 2004 Mid Year Enhancement and Prior Year Service Usage (04-06-01-018)
2004-05-26: Info - Additional Material and Source for Metal Panel Bonding Adhesives (04-08-98-001)
2004-05-20: AAM 10.5 and 11.5 Repeat Rear Axle Hub Seal Leak - kw differential drive GMT600 GMT800 oil (PI01222B)
2004-05-11: Service VME - Recent Shipment of Flexible Spare Tire Hoist Tool - kw 04-03-10-002 lower wheel information (PI02076)
2004-05-10: No Start with DTC P1626 or P1631 - kw 2.8 3.5 4.2 4.8 5.3 6.0 8.1 crank fuel information stall theftdeterrent theft (PI02068)
2004-05-06: Service Bulletin 04-03-10-002 Flexible Spare Tire Hoist Tool (VSS20040114)
2004-04-29: Information on Serpentine Belt Wear (04-06-01-013)
2004-04-22: LCT1000 Transmission - DTC Diagnostic Tips - kw Allison fifth first fourth gear GMT800 hard harsh information intermittent no operation overheat performance (PI01999)
2004-04-22: Red OnStar LED , No Keypad Response When Pushed DTC B2476 - kw inoperative UE1 (PI02018)
2004-04-21: Service VME - Supplement to 00-02-35-003D - Clunking Noise Under Hood and Can Be Felt in the Steering Wheel (PI01634A)
2004-04-21: Missing Alignment Dowel Pin - kw suspension steering alignment adjust arm bracket control guide wheel tire rod front end (PI02003)
2004-04-20: SMU - Revised Fuel System Diagnosis (Cab Chassis) (03-06-04-048A)
2004-04-13: Adm Msg - Alignment Questionnaire (VSS20040092)
2004-04-01: Info - New Flexible Spare Tire Hoist Tool Available to Assist in Lowering/Removing Spare Tire (04-03-10-002)
2004-03-29: Warranty Administration - Part and Accessory Replacement Policy (04-00-89-011)
2004-03-25: 6.6L LB7 Engine - Fuel Rail Pressure Regulator Harness Connector Servicing - kw pump wire diesel intermittent driveability GMT800 (PI01717A)
2004-03-23: Adm Msg - Wheel Alignment Questionnaire (Fax Number Change) (VSS20040057-01)
2004-03-23: Adm Msg-Warranty Admin Bulletin 00-05-22-002C for Brake Warranty, Service and Procedures-Required Measurement Documentation (VSS20040074)
2004-03-09: Allison LCT1000 Will Not Shift from Park due to Ice, Snow or Mud Buildup on Shift Linkage - kw automatic cover hard transmission (PI01856)
2004-03-08: Spare Tire Flexible Tool Availability - kw bind crank GMT800 inoperative lower shaft (PI01848)
2004-03-02: SMU - Revised Wheel Drive Shaft Nut Torque Specification (04-04-95-001)
2004-02-25: Info - 1-2, 2-3, 3-4, 4-5 Shift and Torque Converter Clutch (TCC) Characteristics During Cold Weather Operation on 4L60-E, 4L80-E or Allison Transmissions (01-07-30-031A)
2004-02-25: Info - Power Window Motor Now Available Separately From The Power Window Regulator Assembly (04-08-64-003A)
2004-02-20: 4.3L L35 Engine Wide Open Throttle DTC P0335 P0336 P0339 - kw crank crankshaft DTC data LU3 miss misfire sensor speed stall tachometer (PI00700B)
2004-02-20: 4L60E , 4L65E No 2nd , No 4th and No Reverse - automatic fourth second shift transmission (PI00822C)
2004-02-11: Info - 4L65-E, 4L60-E, 4L60 and 200-4R Automatic Transmission Oil Pump Spring First and Second Design Identification (04-07-30-006)
2004-02-05: Warranty Admin. - Dealer Disclosure Requirements (02-00-89-005A)
2004-02-05: Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery (04-06-03-002)
2004-01-29: Service VME - Snow Plow Prep Package (VYU) Information - kw aftermarket specification modification GMT800 (PI00677A)
2004-01-21: Spare Tire Lock Cylinder Assembly - kw bolt cut information key spring suspension (PI01665)
2004-01-21: SMU - Revised Clutch Pressure Plate Adjustment (Off-Vehicle (6.0L, 6.6L, 8.1L Only) (04-07-31-001)
2004-01-06: Info - HVAC Control Knob Replacement (04-01-37-001)
2003-12-29: 8.1L Changes in Heads , Bolts and Gasket for 2004 1/2 Engines - kw bolt consumption cylinder head intake oil (PI01586A)
2003-12-23: 4L60E, 4L65E Forward and Low Reverse Waved Steel Clutch Plate Appearance Change - kw appearance chatter first fourth PQC second shift shudder slip third transmission valve (PI01599)
2003-12-22: 4.3 L35 , LU3 5.0 L30 , 5.7 L31 Engine Coolant Leak at Intake Gasket - kw consumption smoke white (PI01225A)
2003-12-11: Rear Spring Slap or Clunk Noise - kw leaf suspension (PI01570)
2003-12-09: Hard to Fill Fuel Tank at High Volume Diesel Pumps - kw LB7 LLY no nozzle (PI01568)
2003-12-05: D Height Specifications Missing from SI - kw adjust alignment frame position rear sag specification suspension (PI01555)
2003-12-02: SMU - Revised Steering Wheel Replacement Procedure (03-02-35-006)
2003-11-26: Service VME - 6.6 LB7 Diesel Engine - P0102 , P0103 , P0236 Smoke Hesitation, Whistle , Hiss - kw acceleration drive DTC GMT560 GMT800 GMT4500 GMT5500idle low performance turbocharger whine (PI001496A)
2003-11-11: Info - Search Tips for Locating Preliminary Information (PI) Documents in Service Information (03-00-89-039)
2003-11-10: Transmission Fluid Leak From Front of Transmission - Torque Converter Housing and Pump Area (Remove 2 Lower Torque Converter Housing Bolts, Add Copper Washers Under Bolts) (03-07-30-057)
2003-11-06: Service VME - 6.6L LB7 Diesel Engine Recapping Tool for Fuel System High-Pressure Side Diagnosis (PI01490)
2003-11-06: Service VME - Rattle Noise due to Loose Center Caps - kw 03-03-10-002 break broken cap suspension tire wheel (PI01472)
2003-11-05: Special Policy Adjustment-Sequential Central Port Fuel Injection (SCPI) Failures in California Only (YF5 Emission Equipped) (99066G)
2003-11-05: Info - 4L60-E Automatic Transmission Oil Pump First and Second Design Identification (03-07-30-056)
2003-10-29: Diagnostic Information to Consider Before Air Conditioning Compressor Replacement (01-01-38-013A)
2003-10-28: Transmission Fluid Leak Out of Vent (Replace Transmission Fluid Level Indicator) (03-07-30-054)
2003-10-24: Info - Allison Automatic Transmission Valve Body Hardware Changes (03-07-30-053)
2003-10-07: SMU - Revised Fuel Leaks Inside of Engine Diagnostic (03-06-04-059)
2003-10-06: Info - Inner Tie Rod Released for Service (03-02-34-001A)
2003-09-26: SMU - Revised Fuel Injector Balance Test with Tech 2 (Automatic Transmission) (03-06-04-054)
2003-09-26: SMU - Revised Fuel Injector Balance Test with Tech 2 (Manual Transmission) (03-06-04-053)
2003-09-26: SMU - Revised Fuel System Diagnosis Pickup (03-06-04-049)
2003-09-26: SMU - Revised Fuel System Diagnosis - High Pressure Side (03-06-04-047)
2003-09-26: Revised Engine Cranks But Does Not Run Diagnostic (03-06-04-046)
2003-09-26: SMU - Revised DTC P0093 or DTC P1093 (03-06-04-045)
2003-09-25: Allison LCT1000 Serviceability - delay default drive DTC engage forward gear inoperative intermittent LCT 1000 loss MIL operation part repair reverse shift TCM transmission slip (PI01129A)
2003-09-19: Warranty Admin. - Sublet Administrative Allowance (Coverage: S) Labor Operations (03-00-89-027)
2003-08-26: Info - Avoiding Oil Level Sensor Harness Damage During Lower Oil Pan Installation (03-06-03-008)
2003-08-21: Info - Availability of Starter Motor Solenoid if Damaged During Service (03-06-03-007)
2003-08-20: 6.6L LB7 Duramax Diesel Fuel Leak from Fuel Rail Pressure Sensor - fluid smoke (PI01312)
2003-08-20: Front Wheels Slipping with Vehicle in Four Wheel Drive (Replace Transfer Case Clutch Plates and Front Drive Axle Lubricant) (99-04-21-003C)
2003-08-19: Info - Higher Than Expected Oil Consumption (Greater Than 8500 GVW) (03-06-01-023)
2003-08-18: Service VME - Noise in the Windshield Area and/or at the Right - Center of Instrument Panel - core heater information vibration wire (PI01323)
2003-07-30: SMU - Revised Steering Wheel Position Sensor or Steering Shaft Lower Bearing Replacement Procedure and Steering Wheel Position Sensor Centering Procedure (03-02-36-002)
2003-07-30: Info - Summary of Published Bulletins (03-00-89-020)
2003-07-28: 6.6L LB7 Duramax Diesel Engine Tick , Knock or Pop Noise - cold exhaust lifter smoke valve (PI01254)
2003-07-28: 6.6L LB7 Engine Knock or Tapping Noise - cold diesel exhaust injector LCT1000 lifter misfire miss pop smoke transmission tick valve (PI00154A)
2003-07-28: Service VME - Inner Tie Rod Repair Procedure - information linkage part rod steering suspension tierodend (PI01283)
2003-07-25: 6.6L LB7 No start , Loss of Power , White Smoke - cold diesel fluid fuel hard leak no performance poor power (PI01247)
2003-07-24: Service VME - Rusty Front Brake Rotors - appearance corrosion disc noise pad wear (PI01271)
2003-07-22: Exhaust Rattle Noise or Vibration (Replace Turbocharger Exhaust Outlet Bracket) (03-06-05-007)
2003-07-18: Service VME - Running Board Installation - accessory aftermarket assist information inoperative part runningboard (PI01236A)
2003-07-17: Service VME - Rear Defogger Connector Tab Repair - accessory adhesive aftermarket apply back black body broken C49 contact defroster door electrical endgate glass loose mount repair window (PI01232)
2003-07-14: Info - J 44551 A/C Suction Screen Kit Repair Recommendations and Procedures After Catastrophic Compressor Failures (01-01-39-003A)
2003-07-14: Info - HomeLink Transceiver/Garage Door Opener Transmitter Test Kit Available As Essential Tool (01-08-97-001B)
2003-06-27: Tweeter Speaker Rattle in Front Side Door(s), Tweeter Speaker Falls Out of Position (Modify Door Trim Panel and/or Add Grommets and Replace Tweeter Speaker) (03-08-44-011)
2003-06-25: Info - Most Frequently Asked Questions and Answers for J 45096 TransFlow Transmission Oil Cooling System Flushing Machine (03-07-30-027)
2003-06-20: Info - Daytime Running Lamp (DRL) Bulb Replacement (00-08-42-010A)
2003-06-10: Info - Serpentine Belt Identification and Diagnosis (02-06-01-010A)
2003-06-10: Service VME - Allison LCT1000 Essential Tool Shipment - automatic default delay drive DTC engage forward gear inoperative leak loss MIL no operation part PQC repair reverse shift TCM transmission (PI01161)
2003-06-10: Service VME - Transflow Transmission Cooling System Service Tool J45096 Optional Heater Blanket - 3T40 372LE 3L30 3T40 4L30E 4L60E 4L65E 4L80E 4L85E 4T40E 4T45E 4T60E 4T65E 4T80E 5L40E automatic fluid (PI01163)
2003-06-05: SMU - Revised Wheel Drive Shaft Inner Joint and Seal Replacement (03-04-18-003)
2003-06-05: Info - Shift Stabilization and Tow/haul Mode Feature for Hydra-Matic 4L60-E/4L65-E and 4L80-E/4L85-E Transmissions (99-07-30-022A)
2003-05-27: Right Rear Inner Brake Pad Wear (Install Rear Wheel Mud Flaps) (00-05-23-005B)
2003-05-21: Info - Design Change of Rear Output Shaft and Oil Pump Replacement Parts (03-04-21-004)
2003-04-30: NP1 NP2 Transfer Case Overheat Insufficient Lubrication - contaminated contamination hi2 hi4 information inoperative lo4 neutral no noise odor oil part performance shift (PI01052)
2003-04-29: Warranty Admin. - Courtesy Transportation Program (02-00-89-004B)
2003-04-29: SMU - Revised Transfer Case Disassemble and Transfer Case Assemble Procedures (03-04-21-003)
2003-04-24: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues (03-00-89-010)
2003-04-24: Service VME - HVAC System Function Changes - C60 C68 C69 control head heat heater fog operation part performance (PI01057)
2003-03-21: Accessory Drive Belt Whine (Reposition Power Steering Pump Pulley) (03-06-01-011)
2003-03-18: Info - Engine Knock on Cold Start (01-06-01-028A)
2003-03-17: LCT1000 PRNDL Inoperative or Reads Incorrect, Possible DTCs after Installation of New NSBU - adjust Allison automatic engage P0708 P0847 P0872 P0875 P1711 P1713 shift slip switch transmission (PI00935)
2003-03-17: Increased Accelerator Pedal Effort, Idle Instability (Clean Throttle Body and Adjust Blade) (02-06-04-054B)
2003-03-14: SMU - Revised Intake Air Heater Relay Replacement and Glow Plug Relay Replacement Procedures (03-06-04-021)
2003-03-14: Info - Automatic Air Conditioning Control Operation (99-01-39-007B)
2003-03-07: Info - A/C Refrigerant System Sealer and A/C System Leak Detection Guidelines (03-01-38-001)
2003-03-07: Info - Changes to Essential and Available Tool Numbering System (03-00-89-005)
2003-03-05: Info - Lengthening of Oil Level Switch Wiring Harness After Lower Oil Pan Replacement (03-06-01-009)
2003-02-27: Info - Powertrain Quality Center for Performance Parts Engine Replacements (03-06-01-006)
2003-02-20: Service VME - Sliding Rear Window Availability (PI00870)
2003-02-14: Transmission Shifting In and Out of 4th and 5th Gear (Hunting) When Pulling/Carrying a Load, Unable to Manually Select 4th Gear (Install 5th Gear Inhibit Switch) (02-07-30-051A)
2003-02-11: Slips in 4-Wheel Drive, Noise, Vibration, Leaks, Hot Odor (Diagnose and Repair Front Differential and/or Transfer Case) (02-04-21-005A)
2003-01-30: Rough Idle After Start, And/Or A Service Engine Soon (SES) Light (Unstick And Clean Central Sequential Fuel Injection (CSFI) Poppet Valves or Convert to MFI) (00-06-04-003B)
2003-01-29: Info - Automatic Transmission Oil Cooler Flushing and Flow Check Procedures (99-07-30-017A)
2003-01-28: Scraping Noise From Rear of Vehicle (Replace Parking Brake Shoe Kit and Clean Drum in Hat Rotor) (02-05-26-002A)
2003-01-23: Info - Wheel Balance Weight Usage (99-03-10-009A)
2003-01-17: Info - 6.6L LB7 Duramax Diesel Fuel Pressure Regulator Replacement (03-06-04-010)
2002-12-16: Adm Msg - New Labor Time Guide Available Effective February 1, 2003 (WIW20020026)
2002-12-16: Service Engine Soon Lamp Illuminated, False DTCs P0181 and/or P0116 (Reprogram ECM) (02-06-04-058)
2002-12-02: Engine Knock or Lifter Noise (Replace O-Ring) (02-06-01-038)
2002-11-21: Allison LCT1000 PRNDL Inoperative and/or Transmission Related DTC (PI00030)
2002-10-25: Proper Diagnostic Procedures for No Start, No Crank, Battery, Batteries, Generator, Gauges, SES, SIR, Brake, Security, Theft, ABS, Hot, DIC Messages, Lamp, Light, Battery and Generator Diag. Testing (02-06-03-012)
2002-10-17: High Oil Consumption (Replace Intake Manifold Bolts) (02-06-01-035)
2002-10-14: Diagnostic Information for Intermittent Transmission Downshift, Slip, Busy/Cycling TCC or Noisy Cooling Fan (99-07-30-016B)
2002-09-27: Service VME - Front Door Window Regulators May Be Inoperative at Times (PI00529)
2002-09-24: Loss of Cruise Control, Decreased Pedal Dampening or Tip in Driveline Clunk (Inspect Wiring and NSBU Switch) (02-07-30-034)
2002-09-24: Cup Plugs Not Included with Replacement Cylinder Head (PI00503)
2002-09-23: Adm Msg - Important Programming/TIS Information for Technicians (Admin Number 20020120 - 9/10/02) (VSS20020120)
2002-09-18: SMU - Revised Differential Overhaul (11.5 inch Axle) Procedure (02-04-95-001)
2002-09-16: SMU - Revised DTC P0201-P0208 (02-06-04-049)
2002-09-16: SMU - Revised DTC P0540 (02-06-04-048)
2002-09-11: Info - Release of New Tool J 45380 - Rear Output Shaft Bushing Remover and Installer (02-04-21-007)
2002-09-11: SMU - Revised Piston, Connecting Rod and Bearing Installation Illustration (02-06-01-030)
2002-08-30: Service VME - Park Brake Wear (PI00139A)
2002-08-28: Center Console Lid Hard to Open or Close (Lubricate Center Console Lid Latch) (02-08-49-007)
2002-08-28: Needle Bearings Found In Oil Pan (Replace Rocker Arms) (02-06-01-029)
2002-08-09: Info - Engine Crankcase Flush (02-06-01-028)
2002-08-07: 6.5L L65 Diesel Engine Idle Surge, Rough Idle, or Idle Flare No DTCs (PI00140A)
2002-08-07: 4L60E Shift Shudder 1-2 Shift Light Throttle Hot (PI00120A)
2002-08-02: Radio Inoperative or OnStar Will Not Mute and, or Remote CD No Audio (PI00259A)
2002-07-31: Seat Center Console Cover Latch Sticking (PI00303)
2002-07-24: Warranty Admin. - Claim Procedures for Warrantable Electronic Failures on Vehicles Sold As Certified Used Vehicles or Certified Pre-Owned Vehicles (02-00-89-013)
2002-07-19: Door Manual Lock Lever Disengages from Door Trim Panel (Replace Lock Lever) (01-08-64-014A)
2002-07-19: Warranty Admin. - Revised Empowerment Level-Authorization Code E (02-00-89-009)
2002-07-19: Info - Preliminary Information (PI) Text Available in Service Information (SI) (02-00-89-008)
2002-07-19: Higher Than Expected Engine Oil Consumption (Replace PCV Valve) (01-06-01-029B)
2002-07-18: SMU - Revised DTCs B1000, B1004, B1007, B1009, B1013 (02-08-47-001)
2002-07-09: 6.6 LB7 Knock or Tapping Noise from Engine (PI00154)
2002-07-09: Service VME - Center Arm Rest Will Not Fold Down (PI00174)
2002-07-08: 6.6L LB7 Diesel Engine Vibration, Miss (PI00148)
2002-06-25: Service VME - Suspension Noises (PI00096)
2002-06-24: Service VME - Power Mirror, Lock Inoperative (PI00063)
2002-06-21: Info - Expandable Acoustic Foam (Two Component Sound Dampener) Usage with Collision Damage Repairs (02-08-98-003)
2002-06-18: 6.6L LB7 Duramax Diesel DTC P0234, P0106 (PI00036)
2002-06-14: Second Row Seat Belt Retractor Does Not Automatically Lock When Installing a Child Restraint (Replace Both Seat Belt Retractors) (02-09-40-002)
2002-06-14: Audible Spark Knock (Detonation), MIL Illuminated, DTC P0332 Set (Replace Rear Bank Knock Sensor and RTV Area Around Sensor) (02-06-04-023A)
2002-06-13: Info - Automatic Transmission Serial Number and Site Code Locations (02-07-30-028)
2002-06-13: Info - Engine Identification Information (02-06-01-026)
2002-06-05: SMU - Revised Wheel Speed Sensor Replacement Procedure (02-05-25-002)
2002-06-05: SMU - Revised DTC P0094 Table (02-06-04-035)
2002-06-05: SMU - Revised DTC P0093 Table (02-06-04-034)
2002-06-05: SMU - Fuel Leaks (Inside of Engine) and Fuel Leaks (Outside of Engine) Diagnostics (02-06-04-031)
2002-06-05: SMU - Revised DTC P0087 Table (02-06-04-030)
2002-06-05: SMU - Revised Fuel System Diagnosis-High Pressure Side (02-06-04-029)
2002-06-05: SMU - Revised Rough, Unstable, or Incorrect Idle and Stalling Diagnostic (02-06-04-027)
2002-06-05: SMU - Revised DTC P0088 Table (02-06-04-032)
2002-06-05: SMU - Revised DTC P0089 Table (02-06-04-033)
2002-05-24: Info - DTCs B1001, B1271 or B1780 Set When Replacing/Reprogramming Other Modules (02-09-41-001)
2002-05-22: SMU - Revised Wheel Bearing Adjustment Procedure (02-04-20-002)
2002-04-22: SMU - Tie Rod Replacement - Inner Procedure (02-02-34-001)
2002-04-22: Harsh or Delayed 2-1 Downshift, Neutral Feel at a Stop, Shift Busyness, DTCs P0708, P0847, P0872, P0875, P1711, P1713 (Reprogram TCM) (02-07-30-020)
2002-04-17: Info - Low Oil Pressure and New Oil Level Indicator (02-06-01-015)
2002-04-15: Service 4WD Indicator Illuminated, DTC B2725 Set (Replace Transfer Case Shift Control Switch) (02-04-21-004)
2002-04-09: SMU - Revised DTC B2725 (02-04-21-003)
2002-03-01: Rear Door Window Inoperative (Replace Affected Motor/Inspect Opposite Motor) (00-08-64-018C)
2002-02-27: Information on a New Engine Preluber Tool (02-06-01-008)
2002-02-21: Launch Shudder/Vibration on Acceleration (Install New One-Piece Propeller Shaft) (01-04-17-001B)
2002-02-13: Noise or Vibration in Passenger Compartment with A/C On Between 2000-2400 RPM (Replace Heater Outlet Hose) (01-01-39-005A)
2002-02-13: Accessory Drive Belt Noise (Properly Align Power Steering Pump Pulley) (02-06-01-007)
2002-02-11: SMU - Revised DTC P1221 (02-06-04-005)
2002-02-06: Info - Auxiliary Fuel Tank Removal Procedure (02-06-04-003)
2002-01-29: Possible Communication Information Irregularities when using Generic Scan Tools (Reprogram PCM) (02-06-04-002)
2002-01-16: Exchange Program - Service Parts Restriction Program for Allison Series 1000 Automatic Transmission (00-07-30-017B)
2002-01-11: Info - Engineering Changes to Reaction Shell Thrust Washer and use of New Service Kit (02-07-30-003)
2002-01-02: SMU - Revised Ignition Lock Cylinder Replacement (02-02-35-001)
2001-12-20: Loss of HVAC System Mode and/or Temperature Control (Reroute Wiring Harness) (01-01-39-007)
2001-12-18: Info - Tire Sidewall Damage (01-03-10-011)
2001-12-17: Info - Diagnostic Tips for Slipping or Missing Second, Third and/or Fourth Gear (01-07-30-043)
2001-11-14: SMU - Cylinder Head Installation and Cylinder Head Replacement Procedure (01-06-01-027)
2001-11-14: Info - Test Guidelines for Use of Essential Tool J41413-200 Evaporative System Tester (01-06-04-044)
2001-11-14: Info - New Tool Availability for Antenna Mast Installation During Pre-Delivery Inspection (01-08-44-008A)
2001-11-14: Info - Programming the HomeLink Transmitter (01-08-97-002)
2001-10-19: SMU - Revised Electronic Ignition System Diagnosis (01-06-04-047)
2001-10-19: Info - 2-Cut vs. 5-Cut Rear Axle Ring and Pinion Gearsets (00-04-20-001A)
2001-10-19: 5-4 Shift Busyness (Excessive Shifting) While Using Cruise Control and Towing (Reprogram PCM) (01-07-30-034)
2001-10-19: Decreased Engine Performance/Power, Filter Minder Indicator On, Possible MIL Illuminated and DTC P0101/P0103 Set (Replace AIr Cleaner/Reprogram ECM) (01-06-04-050)
2001-10-16: Fuel Transfer Pump Inoperative (Replace Fuel Transfer Module) (01-06-04-037B)
2001-10-04: Info - Evaporative Emissions DTC P0440, P0441, P0442, P0446 (00-06-04-011A)
2001-09-25: Front and Rear Side Access Door Noise (Replace Door Check Link) (01-08-64-015)
2001-09-25: Information on Lowering Spare Tires Stored Under Vehicle (01-03-10-007)
2001-09-21: Info - Release of New Pickup Box Side Panel Rear Braces (01-08-66-008)
2001-09-17: Warranty Admin. - Correct Use of Labor Operation R4490, RKE Transmitter, Replace (01-00-89-013)
2001-09-14: Info - Correct Oil Viscosity and Oil Filter Usage for the Duramax 6600 Diesel Engine (RPO LB7) (00-06-01-025A)
2001-08-22: Info - Engine Knock on Cold Start (01-06-01-022)
2001-08-17: SMU - Revised Theft DeterrentDiagnostic Information (01-08-56-005)
2001-08-16: Info - New Product Information - Adaptive Control Feature of Allison 1000 Series Transmission (01-07-30-025)
2001-08-07: Customer Satisfaction - Engine Connecting Rod Misbuild - Replace Engine (01058)
2001-06-29: F/CMVSS Noncompliance - Brake System Warning Light May Not Illuminate (01050)
2001-06-29: Engine Tick Noise at Valve Train Speed/Loss of Power (Replace Push Rod) (01-06-01-018)
2001-06-27: Product Safety - Seat Belt Locking Fracture (01043)
2001-06-25: Info - Cleaning the Cassette Tape Player and Clearing the CLN Message from the Radio Display (01-08-44-006A)
2001-06-21: Info - Seat Belt System Replacement Guidelines for Vehicles Involved in Collisions (01-09-40-002)
2001-06-20: Info - Non-Serviceable Connectors on the Fuel Injector Control Module Harness for the Duramax 6600 Diesel Engine (01-06-04-035)
2001-06-19: Security Lamp Illuminated on the IP, Engine Stalls, No Start, DTC B2960 (Security System Sensor Data Incorrect but Valid) Set (Inspect and Repair Cause of DTC B2960) (01-08-56-002A)
2001-06-15: Engine RPM Limited to 3,000 RPM and No Cruise Control (Check Wiring and NSBU Switch) (01-06-04-034)
2001-05-24: Info - Replacement Front Seat Belt Retractor and Buckle Usage (01-09-40-001)
2001-05-08: Info - Replacement of Keys, Key Numbers and/or Security Chips (01-00-89-009)
2001-05-02: Park/Neutral Position Switch Connector Cannot Be Removed (Replace Switch and Connectors) (01-07-30-021)
2001-05-01: Customer Satisfaction - 6-Speed Manual Transmission (RPO ML6) - Replace Reservoir Cap and Hydraulic Fluid (01032)
2001-04-24: Info - 4L60-E Valve Body, Spacer Plate and Gasket Kit (Ordering Reference Table) (01-07-30-020)
2001-04-09: Info - Guidelines for Use of Essential Tool J 44721 Power Steering System Analyzer (01-02-32-004)
2001-04-06: Product Safety - Body Pressure Relief Valve Sealing (00092)
2001-04-06: Info - Current CIPS Campaign Number to Previous DIvisional Campaign Number (01-00-89-008)
2001-04-06: Info - Deletion of Steering Column/Wheel Locking Feature on Vehicles with Automatic Transmissions (01-02-35-003)
2001-03-30: Info - Procedure to Initialize SIR System during Predelivery Inspection (01-09-41-003)
2001-03-29: Info - New Control Valve Body, Spacer Plate and Gaskets for 4L60-E Automatic Transmission (01-07-30-012)
2001-03-29: Passenger SIde of Vehicle Colder/Warmer Than Drivers SIde (Repair HVAC Case to Cowl Seal) (01-01-37-008)
2001-03-22: Info - Exceeded Tire Inflation Pressure (Harsh Ride Factor) (01-03-10-002)
2001-03-16: Service Engine Soon Indicator Lamp On, DTC P1781 Set (Reprogram Engine Control Module) (01-06-04-020)
2001-03-13: Whining Noise In Passenger Compartment When Engine RPM is 1700-2300 (Remove Coolant Flow Restrictor) (01-06-02-002)
2001-03-02: Info - February, 2001 Bulletin Summary (01-00-89-006)
2001-02-28: Malfunction Indicator Lamp ON with a DTC P0341, P0342, P0343 (Replace Cam Sensor) (01-06-04-012)
2001-02-15: Info - Release of New Torque Converter Bolt (01-07-30-007)
2001-02-08: Info - Recommended Rear Axle Lubricant (01-00-90-001A)
2001-02-02: Info - January, 2001 Bulletin Summary (01-00-89-005)
2001-01-25: Engine Oil Level Indicator and Tube Change (00-06-01-015B)
2001-01-11: Info - Air Conditioning Compressor Shaft Seal Replacement (01-01-38-001)
2001-01-03: Info - December, 2000 Bulletin Summary (01-00-89-001)
2000-12-19: Unable to Lower Spare Tire (Install Spare Tire Cross Brace) (00-03-10-008)
2000-12-18: Warranty Admin. - January 1, 2001 Labor Time Guide Updates (00-00-89-031)
2000-12-04: Info - November, 2000 Bulletin Summary (00-00-89-030)
2000-11-20: Warranty Admin. - New Factory Setting for Automatic Door Lock Feature (00-08-64-014)
2000-11-16: Exchange Program - ZF 6-Speed Manual Transmission Exchange Program (RPO ML6) (00-07-29-002A)
2000-11-13: Warranty Admin. - December, 2000 Labor TIme Guide Updates (00-00-89-029)
2000-11-02: Info - October. 2000 Bulletin Summary (00-00-89-028)
2000-10-27: Info - Eliminationof Short Method (Short Cut Method) for Stationary Glass Replacement (00-08-48-003)
2000-10-24: Info - The Importance of Chassis Lubrication (00-00-90-001)
2000-10-17: Warranty Admin. - November, 2000 Labor Time Guide Updates (00-00-89-025)
2000-10-16: Exchange Program for 2001 Model Year (99-06-01-002E)
2000-10-09: Information on 2001 French Label Installation Instructions (00-00-89-009A)
2000-10-06: Info - September, 2000 Bulletin Summary (00-00-89-024)
2000-09-21: Info - Correct Diagnostic Procedure When Reviewing A/C Performance/Leak Suspected (00-01-38-007)
2000-09-19: Warranty Admin. - October, 2000 Labor Time Guide Updates (00-00-89-023)
2000-09-05: Information - August, 2000 Bulletin Summary (00-00-89-022)
2000-08-17: Warranty Admin. - Cross-line Warranty (00-00-89-021)
2000-08-10: Warranty Admin. - New Electrical Relay Labor Operation Numbers (00-00-89-019)
2000-08-03: Info - Essential Tool J 43600 ACR 2000 (00-01-38-006)
2000-08-03: Info - Delphi-Harrison and Denso A/C Compressor Usage (00-01-37-003)
2000-07-12: Warranty Administation - August, 2000 Labor Time Guide Updates (00-00-89-017)
2000-07-06: Information - June, 2000 Bulletin Summary (00-00-89-016)
2000-02-23: Informational - January, 2000 Bulletin Summary (00-00-89-003)