GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

DTC B0016

RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low

DTC B0017

RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Open

DTC B0018

RF/Passenger Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range

DTC B0022

LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Resistance Low

DTC B0024

LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Short to Ground/Voltage Out of Range

DTC B0026

LF/Driver Frontal Deployment Loop (Single Stage or Stage 1) Open

DTC B0035

Front End Discriminating Sensor Circuit Low

DTC B0036

Front End Discriminating Sensor Circuit High

DTC B0051

Deployment Commanded

DTC B0053

Deployment Commanded with Loop Malfunctions Present

DTC B0688

Security System Indicator Circuit High

DTC B1000

ECU Malfunction

DTC B1001

Option Configuration Error

DTC B1004

Keep Alive Memory (KAM) Reset

DTC B1007

EEPROM Write Error

DTC B1009

EEPROM Checksum Mismatch

DTC B2947

Security System Sensor Power CKT Low

DTC B2948

Security System Sensor Power CKT High

DTC B2957

Security System Sensor Data Circuit Low

DTC B2958

Security System Sensor Data Circuit High

DTC B2960

Sec Sys Sensor Data Incorrect but Valid

DTC B3031

Security System Controller in Learn Mode

DTC B3033

Security System Indicates Tamper

DTC C0221-C0227

Front Wheel Speed Sensor Circuit

DTC C0229

Drop Out of Front Wheel Speed Signals

DTC C0235-C0237 or P1504

Rear Wheel Speed Sensor Circuit

DTC C0238

Wheel Speed Mismatch

DTC C0241-C0254

EBCM Control Valve Circuit

DTC C0265 or C0266

EBCM Relay Circuit

DTC C0267 or C0268

Pump Motor Circuit Open/Shorted

DTC C0269 or C0274

Excessive Dump/Isolation Time

DTC C0271-C0273

EBCM Malfunction

DTC C0281

Brake Switch Circuit

DTC C0286

ABS Indicator Lamp Circuit Shorted to B+

DTC C0288

Brake Warning Lamp Circuit Shorted to B+

DTC C0559

EEPROM Checksum Error

DTC P0101

Mass Air Flow (MAF) Sensor Performance

DTC P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

DTC P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

DTC P0106

Manifold Absolute Pressure (MAP) System Performance

DTC P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

DTC P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

DTC P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

DTC P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

DTC P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

DTC P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

DTC P0121

Accelerator Pedal Position (APP) Sensor 1 Circuit Performance

DTC P0122

Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage

DTC P0123

Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

DTC P0125

Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control

DTC P0126

Engine Coolant Temperature (ECT) Insufficient for Stable Operation

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0131 or P0151

HO2S Circuit Low Voltage

DTC P0132 or P0152

HO2S Circuit High Voltage

DTC P0133 or P0153

HO2S Slow Response

DTC P0134 or P0154

HO2S Circuit Insufficient Activity

DTC P0135 or P0155

HO2S Heater Performance

DTC P0135, P0141, P0155, or P0161

HO2S Heater Performance

DTC P0137 or P0157

HO2S Circuit Low Voltage

DTC P0138 or P0158

HO2S Circuit High Voltage

DTC P0140 or P0160

HO2S Circuit Insufficient Activity

DTC P0141

HO2S Heater Performance Bank 1 Sensor 2

DTC P0161

HO2S Heater Performance Bank 2 Sensor 2

DTC P0171 or P0174

Fuel Trim System Lean

DTC P0172 or P0175

Fuel Trim System Rich

DTC P0182

Fuel Temperature Sensor Circuit Low Voltage

DTC P0183

Fuel Temperature Sensor Circuit High Voltage

DTC P0200

Injector Control Circuit

DTC P0215

Engine Shutoff (ESO) Solenoid Control Circuit

DTC P0216

Injection Timing Control Circuit

DTC P0218

Transmission Fluid Overtemperature

DTC P0219

Engine Overspeed

DTC P0220

Accelerator Pedal Position (APP) Sensor 2 Circuit

DTC P0221

Accelerator Pedal Position (APP) Sensor 2 Circuit Performance

DTC P0222

Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage

DTC P0223

Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

DTC P0225

Accelerator Pedal Position (APP) Sensor 3 Circuit

DTC P0226

Accelerator Pedal Position (APP) Sensor 3 Circuit Performance

DTC P0227

Accelerator Pedal Position (APP) Sensor 3 Circuit Low Voltage

DTC P0228

Accelerator Pedal Position (APP) Sensor 3 Circuit High Voltage

DTC P0230

Fuel Pump Relay Control Circuit

DTC P0231

Fuel Pump Feedback Circuit Low Voltage

DTC P0236

Turbocharger Boost System Performance

DTC P0237

Turbocharger Boost Sensor Circuit Low Voltage

DTC P0238

Turbocharger Boost Sensor Circuit High Voltage

DTC P0251

Injection Pump Cam Sensor Circuit

DTC P0263, P0266, P0269, P0272, P0275, P0278, P0281, or P0284

Cylinder Balance System

DTC P0300

Engine Misfire Detected

DTC P0301-P0308

Engine Misfire Detected

DTC P0325

Knock Sensor Module Performance

DTC P0327

Knock Sensor (KS) Circuit

DTC P0327 or P0332

Knock Sensor Circuit

DTC P0335

Crankshaft Position (CKP) Sensor Circuit

DTC P0336

Crankshaft Position (CKP) Sensor Performance

DTC P0341

Camshaft Position (CMP) Sensor Performance

DTC P0342

Camshaft Position (CMP) Sensor Circuit Low Voltage

DTC P0343

Camshaft Position (CMP) Sensor Circuit High Voltage

DTC P0351

Ignition Coil 1 Control Circuit

DTC P0351-P0358

Ignition Coil Control Circuit

DTC P0370

Timing Reference High Resolution System Performance

DTC P0380

Glow Plug Feedback Circuit

DTC P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

DTC P0404

Exhaust Gas Recirculation (EGR) Open Position Performance

DTC P0405

Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

DTC P0410

Secondary Air Injection (AIR) System

DTC P0418

Secondary Air Injection (AIR) Pump Relay Control Circuit

DTC P0420 or P0430

Catalyst System Low Efficiency

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 System Performance

DTC P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

DTC P0452

Fuel Tank Pressure Sensor Circuit Low Voltage

DTC P0453

Fuel Tank Pressure Sensor Circuit High Voltage

DTC P0461

Fuel Level Sensor Performance

DTC P0462

Fuel Level Sensor Circuit Low Voltage

DTC P0463

Fuel Level Sensor Circuit High Voltage

DTC P0502

Vehicle Speed Sensor (VSS) Circuit Low Input

DTC P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

DTC P0506

Idle Speed Low

DTC P0507

Idle Speed High

DTC P0560

System Voltage High/Low

DTC P0562

System Voltage Low

DTC P0563

System Voltage High

DTC P0567

Cruise Control Resume Switch Circuit

DTC P0568

Cruise Control Set Switch Circuit

DTC P0571

Cruise Control Brake Switch Circuit

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, or P1683

ECU Malfunction

DTC P0608

Vehicle Speed Output Circuit

DTC P0650

Malfunction Indicator Lamp (MIL) Control Circuit

DTC P0706

Transmission Range (TR) Switch Performance

DTC P0711

TFT Sensor Circuit Range/Performance

DTC P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Input

DTC P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Input

DTC P0716

Input Speed Sensor Circuit Intermittent

DTC P0717

Input Speed Sensor Circuit Low Input

DTC P0719

Brake Switch Circuit Low Input

DTC P0722

Output Speed Sensor Circuit Low Input

DTC P0723

Output Speed Sensor Circuit Intermittent

DTC P0724

Brake Switch Circuit High Input

DTC P0730

Incorrect Gear Ratio

DTC P0740

TCC Enable Solenoid Circuit Electrical

DTC P0741

TCC System Stuck Off

DTC P0742

TCC System Stuck On

DTC P0748

Pressure Control Solenoid Circuit Electrical

DTC P0751

1-2 Shift Solenoid Valve Performance

DTC P0752

1-2 Shift Solenoid (SS) Valve Performance - No Second Or Third Gear

DTC P0753

1-2 Shift Solenoid Circuit Electrical

DTC P0756

2-3 Shift Solenoid Valve Performance

DTC P0757

2-3 Shift Solenoid (SS) Valve Performance - No Third Or Fourth Gear

DTC P0758

2-3 Shift Solenoid Circuit Electrical

DTC P0785

3-2 Shift Solenoid Circuit Electrical

DTC P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

DTC P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

DTC P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

DTC P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

DTC P1120

Throttle Position (TP) Sensor 1 Circuit

DTC P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

DTC P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

DTC P1125

Accelerator Pedal Position (APP) System

DTC P1133 or P1153

HO2S Insufficient Switching

DTC P1134 or P1154

HO2S Transition Time Ratio

DTC P1214

Injection Pump Timing Offset

DTC P1216

Fuel Solenoid Response Time Too Short

DTC P1217

Fuel Solenoid Response Time Too Long

DTC P1218

Injection Pump Calibration Circuit

DTC P1220

Throttle Position (TP) Sensor 2 Circuit

DTC P1221

Throttle Position (TP) Sensor 1-2 Correlation

DTC P1258

Engine Coolant Overtemperature - Protection Mode Active

DTC P1275

Accelerator Pedal Position (APP) Sensor 1 Circuit

DTC P1276

Accelerator Pedal Position (APP) Sensor 1 Performance

DTC P1280

Accelerator Pedal Position (APP) Sensor 2 Circuit

DTC P1281

Accelerator Pedal Position (APP) Sensor 2 Performance

DTC P1285

Accelerator Pedal Position (APP) Sensor 3 Circuit

DTC P1286

Accelerator Pedal Position (APP) Sensor 3 Performance

DTC P1336

Crankshaft Position (CKP) System Variation Not Learned

DTC P1345

Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation

DTC P1380

Misfire Detected - Rough Road Data Not Available

DTC P1381

Misfire Detected - No Communication with Brake Control Module

DTC P1404

Exhaust Gas Recirculation (EGR) Closed Position Performance

DTC P1415 or P1416

Secondary Air Injection (AIR) System

DTC P1441

Evaporative Emission (EVAP) System Flow During Non-Purge

DTC P1514

Throttle Body Performance

DTC P1515

Control Module Throttle Actuator Position Performance

DTC P1516

Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

DTC P1517

Throttle Actuator Control (TAC) Module Performance

DTC P1518

Throttle Actuator Control (TAC) Module Serial Data Circuit

DTC P1626

Theft Deterrent Fuel Enable Signal Lost

DTC P1627

Control Module Analog to Digital Performance

DTC P1630

Theft Deterrent Learn Mode Active

DTC P1631

Theft Deterrent Start Enable Signal Not Correct

DTC P1635

5 Volt Reference 1 Circuit

DTC P1637

Generator L-Terminal Circuit

DTC P1638

Generator F-Terminal Circuit

DTC P1639

5 Volt Reference 2 Circuit

DTC P1641

Malfunction Indicator Lamp (MIL) Control Circuit

DTC P1643

Wait to Start Lamp Control Circuit

DTC P1654

Service Throttle Soon Lamp Control Circuit

DTC P1656

Wastegate Solenoid Control Circuit

DTC P1665

Fuel Level Output Circuit

DTC P1810

TFP Valve Position Switch Circuit

DTC P1811

Maximum Adapt and Long Shift

DTC P1860

TCC PWM Solenoid Circuit Electrical

DTC P1870

Transmission Component Slipping

DTC U1000 and U1255

Class 2 Communication Malfunction

DTC U1001-U1254

Lost Communication with XXX

DTC U1300

Class 2 Data Link Low

DTC U1301

Class 2 Data Link High