GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2000
🢒
Catera
🢒 DTC
Diagnostic Trouble Codes
Diagnostic Trouble Codes
DTC 01 General Sensor Fault
DTC 02 Instantaneous Battery Voltage Out of Range
DTC 03 Filtered Battery Voltage Out of Range
DTC 04 Compressor Relay Short to Ground/Open
DTC 05 Compressor Relay Short to Battery
DTC 06 Exhaust Valve Short to Ground/Open Circuit
DTC 07 Exhaust Valve Short to Battery
DTC 08 Warning Lamp Short to Ground/Open Circuit
DTC 09 Warning Lamp Short to Battery
DTC 10 Inside Air Temperature Sensor Voltage Low
DTC 10 Intake Accumulator Fault
DTC 11 Driver Seat Forward/Backward Motor Inop
DTC 11 Exhaust Accumulator Fault
DTC 11 Inside Air Temperature Sensor Open Circuit
DTC 11 Transponder Key Problem
DTC 12 Consecutive Intake Malfunction
DTC 12 Driver Seat Recliner Motor Inoperative
DTC 12 LH Air Outlet Sensor Voltage Low
DTC 12 Wrong Transponder Key
DTC 13 Driver Air Bag Deployment Loop Short to GND
DTC 13 Immobilizer Not Programmed
DTC 13 LH Air Outlet Sensor Open Circuit
DTC 14 Coolant Temp Voltage Low
DTC 14 Driver Pretens Deployment Loop Short to GND
DTC 14 No Transponder Key Programmed
DTC 14 RH Air Outlet Sensor Voltage Low
DTC 15 Driver Air Bag Deploy. Loop Short to V
DTC 15 RH Air Outlet Sensor Open Circuit
DTC 15 Vehicle Speed Signal Voltage Low
DTC 16 Driver Pretens Deploy Loop Short to Voltage
DTC 16 Driver Seat Front Height Motor Inoperative
DTC 16 Int Air Mix Door Mtr Volts Low/Open Circuit
DTC 16 Vehicle Speed Signal Voltage High
DTC 167 Fuel Gauge Voltage Low
DTC 168 Fuel Gauge Voltage High
DTC 169 Outside Temperature Sensor Voltage Low
DTC 17 Driver Seat Rear Height Motor Inoperative
DTC 17 Interior Air Mix Door Motor Voltage High
DTC 17 No Engine Request Received
DTC 171 Outside Temperature Sensor Open Circuit
DTC 18 Driver Side Mirror Circuit
DTC 18 LH Air Mix Door Mtr Volts Low/Open Circuit
DTC 18 MIL Circuit
DTC 19 Inside Mirror Circuit
DTC 19 LH Air Mix Door Motor Voltage High
DTC 20 Passenger Side Mirror Circuit
DTC 20 RH Air Mix Door Mtr Volts Low/Open Circuit
DTC 21 Driver Seat Adjuster Switch Inoperative
DTC 21 No Speed Signal
DTC 21 RH Air Mix Door Motor Voltage High
DTC 22 Floor Air Mix Dr Mtr Voltage Low/Open CKT
DTC 22 Solenoid Circuit Short to Ground/Open
DTC 23 Floor Air Mix Door Motor Voltage High
DTC 23 Pass. Air Bag Deployment Loop Short to GND
DTC 23 Power Steering Control Module Malfunction
DTC 24 Def Air Mix Door Mtr Volts Low/Open Circuit
DTC 24 Pass. Pretens Deployment Loop Short to GND
DTC 25 Defrost Air Mix Door Motor Voltage High
DTC 25 Pass. Air Bag Deploy. Loop Short to Voltage
DTC 26 Pass. Pretens Deploy. Loop Short to Voltage
DTC 27 Blower Motor Voltage Low or Open Circuit
DTC 28 Air Circ. Valve Voltage Low or Open CKT
DTC 29 Air Circulation Valve Voltage High
DTC 30 Heating Cut-Off Valve Volts Low or Open CKT
DTC 31 Driver Air Bag Deploy. Loop Resistance High
DTC 31 Heating Cut-Off Valve Voltage High
DTC 32 Driver Air Bag Deploy. Loop Resistance Low
DTC 32 Rear Window Defog Signal Voltage Low
DTC 33 Pass. Air Bag Deploy. Loop Resistance High
DTC 33 Rear Window Defog Signal Voltage Open CKT
DTC 34 Pass. Air Bag Deploy. Loop Resistance Low
DTC 34 Rear Window Defogger Open Circuit
DTC 35 A/C Request Signal Voltage High
DTC 35 Driver Pretens Deploy. Loop Resistance High
DTC 36 A/C Request Signal Voltage Low
DTC 36 Driver Pretens Deploy. Loop Resistance Low
DTC 37 Heater and A/C Control Switch Stuck
DTC 37 Pass. Pretens Deploy. Loop Resistance High
DTC 38 Pass. Pretens Deploy. Loop Resistance Low
DTC 38 Solar/Twilight Sensor Supply Voltage Low
DTC 39 Solar/Twilight Sensor Supply Voltage High
DTC 40 Solar/Twilight Sensor GND Short to Voltage
DTC 43 Warning Lamp Circuit Short to Voltage
DTC 44 Warning Lamp Circuit Open or Short to GND
DTC 50 Seat Adjuster Memory Module Malfunction
DTC 50, 51, or 55 Sunroof Actuator Malfunction
DTC 51 Replace Heater and A/C Control
DTC 51 Reprogram Cluster or Cluster Malfunction
DTC 52 Heater and A/C Control Not Programmed
DTC 52 Reprogram Cluster
DTC 52 SDM Not Configured
DTC 53 Configuration Mismatch
DTC 55 Internal SDM Failure
DTC 55 Replace Heater and A/C Control
DTC 55 Seat Adjuster Memory Module Malfunction
DTC 55 Theft Deterrent Module Malfunction
DTC 56 SDM Not Reusable
DTC 65 Passenger Air Bag Deployment Commanded
DTC 66 Driver Air Bag Deployment Commanded
DTC 67 Pretensioner Only Deployment Commanded
DTC 68 Driver Side Air Bag Deployment Commanded
DTC 69 Pass. Side Air Bag Deployment Commanded
DTC 71 Driver Side Impact Sensor Comms Invalid
DTC 73 Driver Side Impact Sensor Short to Voltage
DTC 74 Driver Side Impact Sensor Short to Ground
DTC 75 Driver Side Air Bag Short to Ground
DTC 76 Driver Side Air Bag Short to Voltage
DTC 77 Driver Side Air Bag Deploy Loop Resist High
DTC 78 Driver Side Air Bag Deploy Loop Resist. Low
DTC 81 Pass. Side Impact Sensor Comms Invalid
DTC 83 Pass. Side Impact Sensor Short to Voltage
DTC 84 Pass. Side Impact Sensor Short to Ground
DTC 85 Pass. Side Air Bag Short to Ground
DTC 86 Pass. Side Air Bag Short to Voltage
DTC 87 Pass. Side Air Bag Deploy. Loop Resist High
DTC 88 Pass. Side Air Bag Deploy. Loop Resist. Low
DTC 97 ONSTAR DCO Link Open or Short to Voltage
DTC 98 ONSTAR DCO Link Short to Ground
DTC B1552 Loss of Keep Alive Memory
DTC B1556 BCM EPROM Write Error
DTC B1558 BCM EPROM Checksum Error
DTC B1656 EEPROM Write Error
DTC B1658 EEPROM Checksum Error
DTC B1760 CD Changer Not Responding
DTC B1780 Theft Lock Enabled
DTC B1970 Exterior Lamp Power
DTC B1971 Inadvertent Power
DTC B1973 High Power Control Fault
DTC B1982 Source Battery Voltage High-AMP
DTC B1982 Source/Battery Voltage High
DTC B1983 Source Battery Voltage Low-AMP
DTC B1983 Source/Battery Voltage Low
DTC B2462 GPS Signal Error
DTC B2470 Daytime Running Lamps Fault
DTC B2471 Interior Lamp Fault
DTC B2472 Low Beam Fault
DTC B2473 High Beam Fault
DTC B2476 Cellular Phone Select Service Switch Malfunction
DTC B2476 Parklamp Fault
DTC B2556 EEPROM Error
DTC B2560 RKE Message Validation Error
DTC C0035 LF Wheel Speed Circuit Malfunction
DTC C0040 RF Wheel Speed Circuit Malfunction
DTC C0045 LR Wheel Speed Circuit Malfunction
DTC C0050 RR Wheel Speed Circuit Malfunction
DTC C0060 LF ABS Solenoid #1 Circuit Malfunction
DTC C0065 LF ABS Solenoid #2 Circuit Malfunction
DTC C0070 RF ABS Solenoid #1 Circuit Malfunction
DTC C0075 RF ABS Solenoid #2 Circuit Malfunction
DTC C0080 LR ABS Solenoid #1 Circuit Malfunction
DTC C0085 LR ABS Solenoid #2 Circuit Malfunction
DTC C0090 RR ABS Solenoid #1 Circuit Malfunction
DTC C0095 RR ABS Solenoid #2 Circuit Malfunction
DTC C0110 Pump Motor Circuit Malfunction
DTC C0121 Valve Relay Circuit Malfunction
DTC C0141 Left TCS Solenoid #1 Circuit Malfunction
DTC C0146 Left TCS Solenoid #2 Circuit Malfunction
DTC C0151 Right TCS Solenoid #1 CKT Malfunction
DTC C0156 Right TCS Solenoid #2 CKT Malfunction
DTC C0161 ABS/TCS Brake Switch Circuit Malfunction
DTC C0245 Wheel Speed Sensor Frequency Error
DTC C0550 ECU Malfunction
DTC C0800 Device Power #1 Circuit Malfunction
DTC P0100 Mass Air Flow (MAF) Sensor Circuit
DTC P0110 Intake Air Temperature (IAT) Sensor Circuit
DTC P0115 Engine Coolant Temperature (ECT) Sensor Circuit
DTC P0116 Engine Coolant Temperature (ECT) Sensor Performance
DTC P0130 HO2S Circuit Bank 1 Sensor 1
DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1
DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
DTC P0136 HO2S Circuit Bank 1 Sensor 2
DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
DTC P0139 HO2S Slow Response Bank 1 Sensor 2
DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
DTC P0150 HO2S Circuit Bank 2 Sensor 1
DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1
DTC P0155 HO2S Heater Performance Bank 2 Sensor 1
DTC P0156 HO2S Circuit Bank 2 Sensor 2
DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0159 HO2S Slow Response Bank 2 Sensor 2
DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0171 Fuel Trim System Lean Bank 1
DTC P0172 Fuel Trim System Rich Bank 1
DTC P0174 Fuel Trim System Lean Bank 2
DTC P0175 Fuel Trim System Rich Bank 2
DTC P0201 Injector 1 Control Circuit
DTC P0202 Injector 2 Control Circuit
DTC P0203 Injector 3 Control Circuit
DTC P0204 Injector 4 Control Circuit
DTC P0205 Injector 5 Control Circuit
DTC P0206 Injector 6 Control Circuit
DTC P0218 Transmission Fluid Overtemperature
DTC P0230 Fuel Pump Relay Control Circuit
DTC P0300 Engine Misfire Detected
DTC P0301 Cylinder 1 Misfire Detected
DTC P0302 Cylinder 2 Misfire Detected
DTC P0303 Cylinder 3 Misfire Detected
DTC P0304 Cylinder 4 Misfire Detected
DTC P0305 Cylinder 5 Misfire Detected
DTC P0306 Cylinder 6 Misfire Detected
DTC P0325 Knock Sensor (KS) Circuit Bank 1
DTC P0330 Knock Sensor (KS) Circuit Bank 2
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0340 Camshaft Position (CMP) Sensor Circuit
DTC P0341 Camshaft Position (CMP) Sensor Performance
DTC P0411 Secondary Air Injection (AIR) System
DTC P0412 Secondary Air Injection (AIR) Solenoid Control Circuit
DTC P0418 Secondary Air Injection (AIR) Pump Relay Control Circuit
DTC P0422 Catalyst System Low Efficiency Bank 1
DTC P0432 Catalyst System Low Efficiency Bank 2
DTC P0440 Evaporative Emission (EVAP) System
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected
DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0446 Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0450 Fuel Tank Pressure Sensor Circuit
DTC P0455 Evaporative Emission (EVAP) System Leak Detected
DTC P0460 Fuel Level Sensor Circuit
DTC P0500 Vehicle Speed Sensor (VSS) Circuit
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0560 System Voltage
DTC P0560 System Voltage High/Low
DTC P0571 Cruise Control Brake Switch Circuit
DTC P0601 Control Module Read Only Memory (ROM)
DTC P0601 TCM Memory ROM
DTC P0602 Control Module Not Programmed
DTC P0602 TCM Not Programmed
DTC P0603 Control Module Long Term Memory Reset
DTC P0604 Control Module Random Access Memory (RAM)
DTC P0606 Control Module Internal Performance
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0703 Brake Switch Circuit Malfunction
DTC P0705 Trans Range Switch Circuit
DTC P0706 Trans Range Switch Performance
DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0722 Output Speed Sensor Circuit Low Input
DTC P0725 Engine Speed Input Circuit
DTC P0727 Engine Speed Circuit No Signal
DTC P0730 Incorrect Gear Ratio
DTC P0742 TCC System Stuck On
DTC P0743 TCC Enable Solenoid Circuit Electrical
DTC P0748 Pressure Control Solenoid Circuit Electrical
DTC P0751 1-2 Shift Solenoid Valve Performance - No Second or Third Gear
DTC P0752 1-2 Shift Solenoid Valve Performance - No First or Fourth Gear
DTC P0753 1-2 Shift Solenoid Circuit Electrical
DTC P0756 2-3 Shift Solenoid Valve Performance - No First or Second Gear
DTC P0757 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear
DTC P0758 2-3 Shift Solenoid Circuit Electrical
DTC P1112 Intake Plenum Switchover Solenoid Control Circuit
DTC P1113 Intake Resonance Switchover Solenoid Control Circuit
DTC P1120 Throttle Position (TP) Sensor 1 Circuit
DTC P1141 HO2S Heater Control Circuit Bank 1 Sensor 2
DTC P1161 HO2S Heater Control Circuit Bank 2 Sensor 2
DTC P1220 Throttle Position (TP) Sensor 2 Circuit
DTC P1271 Accelerator Pedal Position (APP) Sensor 1-2 Correlation
DTC P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P1280 Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P1460 Misfire Detected With Low Fuel Level
DTC P1501 Theft Deterrent System
DTC P1502 Theft Deterrent Fuel Enable Signal Not Received
DTC P1503 Theft Deterrent Fuel Enable Signal Not Correct
DTC P1510 Throttle Control System Performance - Throttle Limitation Active
DTC P1511 Throttle Control System - Backup System Performance
DTC P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P1519 Throttle Actuator Control (TAC) Module Internal Circuit
DTC P1523 Throttle Closed Position Performance
DTC P1526 Minimum Throttle Position Not Learned
DTC P1530 Throttle Actuator Control (TAC) Module Internal Circuit
DTC P1545 Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P1600 TCM Internal Watchdog Operation
DTC P1602 Knock Sensor (KS) Module Performance
DTC P1621 TCM Long Term Memory Performance
DTC P1625 TCM System Reset
DTC P1662 Cruise Lamp Control Circuit
DTC P1700 Transmission Control Module (TCM) Requested MIL Illumination
DTC P1740 Torque Reduction Signal Circuit
DTC P1760 TCM Supply Voltage Interrupted
DTC P1781 Engine Torque Signal Circuit
DTC P1792 ECM to TCM Engine Coolant Signal
DTC P1800 TCM Power Relay Control Circuit
DTC P1835 Kick-Down Switch Circuit
DTC P1845 Torque Limit Management
DTC P1850 Brake Band Apply Solenoid Circuit
DTC P1870 Transmission Component Slipping
DTC P1890 Throttle Position Signal Input
DTC Table
DTC U1000 and DTC U1255 Class 2 Communication Malfunction
DTC U1001-U1254 Lost Communication with XXX
DTC U1300 Class 2 Short to Ground
DTC U1301 Class 2 Short to Battery
DTC U1500 Inter-Device Dedicated Bus Malfunction
DTC U2100 CAN Bus OFF
DTC U2100 CAN-BUS Communication Malfunction
DTC U2103 Fewer Controllers On Bus Than Programmed
DTC U2104 CAN Bus Reset Counter Overrun
DTC U2104 CAN Bus Reset Counter Overrun
DTC U2105 CAN Bus Error ECM
DTC U2105 Lost Comm with Engine Control System
DTC U2106 Lost Comm with Trans Control System
DTC U2108 CAN Bus Error ABS
DTC U2108 Lost Comm with ABS Control System