GM Service Manual Online
For 1990-2009 cars only

This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.

DTC

DTC Descriptor

Modules that sets the DTC

Diagnostic Procedure

P0030

HO2S Heater Control Circuit Bank 1 Sensor 1

PCM

Go to DTC P0030 or P0050

P0036

HO2S Heater Control Circuit Bank 1 Sensor 2

PCM

Go to DTC P0036 or P0056

P0050

HO2S Heater Control Circuit Bank 2 Sensor 1

PCM

Go to DTC P0030 or P0050

P0053

HO2S Heater Resistance Bank 1 Sensor 1

PCM

Go to DTC P0053, P0054, P0059, or P0060

P0054

HO2S Heater Resistance Bank 1 Sensor 2

PCM

Go to DTC P0053, P0054, P0059, or P0060

P0056

HO2S Heater Control Circuit Bank 2 Sensor 2

PCM

Go to DTC P0036 or P0056

P0059

HO2S Heater Resistance Bank 2 Sensor 1

PCM

Go to DTC P0053, P0054, P0059, or P0060

P0060

HO2S Heater Resistance Bank 2 Sensor 2

PCM

Go to DTC P0053, P0054, P0059, or P0060

P0068

Throttle Body Air Flow Performance

PCM

Go to DTC P0068

P0101

Mass Air Flow (MAF) Sensor Performance

PCM

Go to DTC P0101

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

PCM

Go to DTC P0102

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

PCM

Go to DTC P0103

P0106

Manifold Absolute Pressure (MAP) Sensor Performance

PCM

Go to DTC P0106

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

PCM

Go to DTC P0107

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

PCM

Go to DTC P0108

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

PCM

Go to DTC P0112

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

PCM

Go to DTC P0113

P0116

Engine Coolant Temperature (ECT) Sensor Performance

PCM

Go to DTC P0116

P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

PCM

Go to DTC P0117

P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

PCM

Go to DTC P0118

P0120

Throttle Position (TP) Sensor 1 Circuit

PCM

Go to DTC P0120

P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

PCM

Go to DTC P0128

P0131

HO2S Circuit Low Voltage Bank 1 Sensor 1

PCM

Go to DTC P0131 or P0151

P0132

HO2S Circuit High Voltage Bank 1 Sensor 1

PCM

Go to DTC P0132 or P0152

P0133

HO2S Slow Response Bank 1 Sensor 1

PCM

Go to DTC P0133 or P0153

P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1

PCM

Go to DTC P0134 or P0154

P0135

HO2S Heater Performance Bank 1 Sensor 1

PCM

Go to DTC P0135 or P0155

P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2

PCM

Go to DTC P0137 or P0157

P0138

HO2S Circuit High Voltage Bank 1 Sensor 2

PCM

Go to DTC P0138 or P0158

P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

PCM

Go to DTC P0140 or P0160

P0141

HO2S Heater Performance Bank 1 Sensor 2

PCM

Go to DTC P0141 or P0161

P0151

HO2S Circuit Low Voltage Bank 2 Sensor 1

PCM

Go to DTC P0131 or P0151

P0152

HO2S Circuit High Voltage Bank 2 Sensor 1

PCM

Go to DTC P0132 or P0152

P0153

HO2S Slow Response Bank 2 Sensor 1

PCM

Go to DTC P0133 or P0153

P0154

HO2S Circuit Insufficient Activity Bank 2 Sensor 1

PCM

Go to DTC P0134 or P0154

P0155

HO2S Heater Performance Bank 2 Sensor 1

PCM

Go to DTC P0135 or P0155

P0157

HO2S Circuit Low Voltage Bank 2 Sensor 2

PCM

Go to DTC P0137 or P0157

P0158

HO2S Circuit High Voltage Bank 2 Sensor 2

PCM

Go to DTC P0138 or P0158

P0160

HO2S Circuit Insufficient Activity Bank 2 Sensor 2

PCM

Go to DTC P0140 or P0160

P0161

HO2S Heater Performance Bank 2 Sensor 2

PCM

Go to DTC P0141 or P0161

P0171

Fuel Trim System Lean Bank 1

PCM

Go to DTC P0171 or P0174

P0172

Fuel Trim System Rich Bank 1

PCM

Go to DTC P0172 or P0175

P0174

Fuel Trim System Lean Bank 2

PCM

Go to DTC P0171 or P0174

P0175

Fuel Trim System Rich Bank 2

PCM

Go to DTC P0172 or P0175

P0200

Injector Control Circuit

PCM

Go to DTC P0200

P0218

Transmission Fluid Over Temperature

PCM

Go to DTC P0218

P0220

Throttle Position (TP) Sensor 2 Circuit

PCM

Go to DTC P0220

P0230

Fuel Pump Relay Control Circuit

PCM

Go to DTC P0230

P0300

Engine Misfire Detected

PCM

Go to DTC P0300

P0315

Crankshaft Position (CKP) System Variation Not Learned

PCM

Go to DTC P0315

P0325

Knock Sensor (KS) 1 Circuit

PCM

Go to DTC P0325

P0327

Knock Sensor (KS) 1 Circuit Low Frequency

PCM

Go to DTC P0327 or P0332

P0332

Knock Sensor (KS) 2 Circuit Low Frequency

PCM

Go to DTC P0327 or P0332

P0335

Crankshaft Position (CKP) Sensor Circuit

PCM

Go to DTC P0335

P0336

Crankshaft Position (CKP) Sensor Performance

PCM

Go to DTC P0336

P0341

Camshaft Position (CMP) Sensor Performance

PCM

Go to DTC P0341

P0342

Camshaft Position (CMP) Sensor Circuit Low Voltage

PCM

Go to DTC P0342

P0343

Camshaft Position (CMP) Sensor Circuit High Voltage

PCM

Go to DTC P0343

P0351

Ignition Coil 1 Control Circuit

PCM

Go to DTC P0351-P0358

P0352

Ignition Coil 2 Control Circuit

PCM

Go to DTC P0351-P0358

P0353

Ignition Coil 3 Control Circuit

PCM

Go to DTC P0351-P0358

P0354

Ignition Coil 4 Control Circuit

PCM

Go to DTC P0351-P0358

P0355

Ignition Coil 5 Control Circuit

PCM

Go to DTC P0351-P0358

P0356

Ignition Coil 6 Control Circuit

PCM

Go to DTC P0351-P0358

P0357

Ignition Coil 7 Control Circuit

PCM

Go to DTC P0351-P0358

P0358

Ignition Coil 8 Control Circuit

PCM

Go to DTC P0351-P0358

P0420

Catalyst System Low Efficiency Bank 1

PCM

Go to DTC P0420 or P0430

P0430

Catalyst System Low Efficiency Bank 2

PCM

Go to DTC P0420 or P0430

P0442

Evaporative Emission (EVAP) System Small Leak Detected

PCM

Go to DTC P0442

P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

PCM

Go to DTC P0443

P0446

Evaporative Emission (EVAP) Vent System Performance

PCM

Go to DTC P0446

P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

PCM

Go to DTC P0449

P0451

Fuel Tank Pressure (FTP) Sensor Performance

PCM

Go to DTC P0451

P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

PCM

Go to DTC P0452

P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

PCM

Go to DTC P0453

P0454

Fuel Tank Pressure (FTP) Sensor Intermittent

PCM

Go to DTC P0454

P0455

Evaporative Emission (EVAP) System

PCM

Go to DTC P0455

P0461

Fuel Level Sensor 1 Performance

PCM

Go to DTC P0461

P0462

Fuel Level Sensor 1 Circuit Low Voltage

PCM

Go to DTC P0462

P0463

Fuel Level Sensor 1 Circuit High Voltage

PCM

Go to DTC P0463

P0464

Fuel Level Sensor 1 Circuit Intermittent

PCM

Go to DTC P0464

P0496

Evaporative Emission (EVAP) System Flow During Non-Purge

PCM

Go to DTC P0496

P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

PCM

Go to DTC P0502

P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

PCM

Go to DTC P0503

P0506

Idle Speed Low

PCM

Go to DTC P0506

P0507

Idle Speed High

PCM

Go to DTC P0507

P0522

Engine Oil Pressure (EOP) Sensor Circuit Low Voltage

PCM

Go to DTC P0522

P0523

Engine Oil Pressure (EOP) Sensor Circuit High Voltage

PCM

Go to DTC P0523

P0567

Cruise Control Resume Switch Circuit

PCM

Go to DTC P0567

P0568

Cruise Control Set Switch Circuit

PCM

Go to DTC P0568

P0601

Control Module Read Only Memory (ROM)

PCM

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

P0602

Control Module Not Programmed

PCM

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

P0604

Control Module Random Access Memory (RAM)

PCM

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

P0606

Control Module Internal Performance

ECM

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

P0608

Vehicle Speed Output Circuit

PCM

Go to DTC P0608

P0641

5-Volt Reference 1 Circuit

PCM

Go to DTC P0641

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

PCM

Go to DTC P0650

P0651

5-Volt Reference 2 Circuit

PCM

Go to DTC P0651

P0706

Transmission Range (TR) Switch Performance

PCM

Go to DTC P0706

P0711

Transmission Fluid Temperature (TFT) Sensor Performance

PCM

Go to DTC P0711

P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

PCM

Go to DTC P0712

P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

PCM

Go to DTC P0713

P0716

Input Performance Speed

PCM

Go to DTC P0716

P0717

Input Speed Low

PCM

Go to DTC P0717

P0719

Brake Switch Circuit Low Voltage

PCM

Go to DTC P0719

P0724

Brake Switch Circuit High Voltage

PCM

Go to DTC P0724

P0730

Undefined Gear Ratio

PCM

Go to DTC P0730

P0741

Torque Converter Clutch (TCC) System - Stuck OFF

PCM

Go to DTC P0741

P0742

Torque Converter Clutch (TCC) System - Stuck ON

PCM

Go to DTC P0742

P0748

Pressure Control (PC) Solenoid Control Circuit

PCM

Go to DTC P0748

P0751

1-2 Shift Solenoid Valve Performance - No First or Fourth Gear

PCM

Go to DTC P0751

P0752

1-2 Shift Solenoid Valve Performance - No Second or Third Gear

PCM

Go to DTC P0752

P0753

1-2 Shift Solenoid Control Circuit

PCM

Go to DTC P0753

P0756

2-3 Shift Solenoid Valve Performance - No First or Second Gear

PCM

Go to DTC P0756

P0757

2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear

PCM

Go to DTC P0757

P0758

2-3 Shift Solenoid Control Circuit

PCM

Go to DTC P0758

P0894

Transmission Component Slipping

PCM

Go to DTC P0894

P1125

Accelerator Pedal Position (APP) System

PCM

Go to DTC P1125

P1133

HO2S Insufficient Switching Bank 1 Sensor 1

PCM

Go to DTC P1133 or P1153

P1134

HO2S Transition Time Ratio Bank 1 Sensor 1

PCM

Go to DTC P1134 or P1154

P1153

HO2S Insufficient Switching Bank 2 Sensor 1

PCM

Go to DTC P1133 or P1153

P1154

HO2S Transition Time Ratio Bank 2 Sensor 1

PCM

Go to DTC P1134 or P1154

P1380

Misfire Detected - Rough Road Data Not Available

PCM

Go to DTC P1380

P1381

Misfire Detected - No Communication With Brake Control Module

PCM

Go to DTC P1381

P1516

Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

PCM

Go to DTC P1516

P1574

Stop Lamp Switch Circuit

PCM

Go to DTC P1574

P1810

Transmission Fluid Pressure (TFP) Position Switch Circuit

PCM

Go to DTC P1810

P2101

Control Module Throttle Actuator Position Performance

PCM

Go to DTC P2101

P2108

Throttle Actuator Control (TAC) Module Performance

PCM

Go to DTC P2108

P2120

Accelerator Pedal Position (APP) Sensor 1 Circuit

PCM

Go to DTC P2120

P2125

Accelerator Pedal Position (APP) Sensor 2 Circuit

PCM

Go to DTC P2125

P2135

Throttle Position (TP) Sensor 1-2 Correlation

PCM

Go to DTC P2135

P2138

Accelerator Pedal Position (APP) Sensor 1-2 Correlation

PCM

Go to DTC P2138

P2610

Control Module Ignition Off Timer Performance

PCM

Go to DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

P2761

Torque Converter Clutch (TCC) Pressure Control Solenoid Control Circuit

PCM

Go to DTC P2761

P2771

Four Wheel Drive (4WD) Low Switch Circuit

PCM

Go to DTC P2771

P2A01

HO2S Circuit Bank 1 Sensor 2

PCM

Go to DTC P2A01 or P2A04

P2A04

HO2S Circuit Bank 2 Sensor 2

PCM

Go to DTC P2A01 or P2A04

U0107

Lost Communication with Throttle Actuator

PCM

Go to DTC U0107