GM Service Manual Online
For 1990-2009 cars only

PCM Diagnostic Trouble Codes

Description

Domestic

RPO L36

Export Unleaded Fuel

European Export Unleaded Fuel

DTC P0101 Mass Air Flow (MAF) Sensor Performance

B

B

B

DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency

B

B

B

DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency

B

B

B

DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

B

B

DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

B

B

DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage

B

B

B

DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage

B

B

B

DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

B

B

B

DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

B

B

B

DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control

B

B

B

DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1

B

B

B

DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1

B

B

B

DTC P0133 HO2S Slow Response Bank 1 Sensor 1

B

B

B

DTC P0134 HO2S Circuit Insufficient Activity Bank 1 Sensor 1

B

B

B

DTC P0135 HO2S Heater Performance Bank 1 Sensor 1

B

B

B

DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2

B

B

B

DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2

B

B

B

DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2

B

B

B

DTC P0141 HO2S Heater Performance Bank 1 Sensor 2

B

B

B

DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1

B

B

B

DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1

B

B

B

DTC P0153 HO2S Slow Response Bank 2 Sensor 1

B

B

B

DTC P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1

B

B

B

DTC P0155 HO2S Heater Performance Bank 2 Sensor 1

B

B

B

DTC P0171 Fuel Trim System Lean Bank 1

B

B

B

DTC P0172 Fuel Trim System Rich Bank 1

B

B

B

DTC P0174 Fuel Trim System Lean Bank 2

B

B

B

DTC P0175 Fuel Trim System Rich Bank 2

B

B

B

DTC P0201 Injector 1 Control Circuit

B

B

B

DTC P0202 Injector 2 Control Circuit

B

B

B

DTC P0203 Injector 3 Control Circuit

B

B

B

DTC P0204 Injector 4 Control Circuit

B

B

B

DTC P0205 Injector 5 Control Circuit

B

B

B

DTC P0206 Injector 6 Control Circuit

B

B

B

DTC P0230 Fuel Pump Relay Control Circuit

C

C

C

DTC P0300 Engine Misfire Detected

B

B

B

DTC P0325 Knock Sensor (KS) Circuit

B

B

B

DTC P0327 Knock Sensor (KS) Circuit Bank 1

B

B

B

DTC P0332 Knock Sensor (KS) Circuit Bank 2

B

B

B

DTC P0336 Crankshaft Position (CKP) Sensor Circuit

B

B

B

DTC P0341 Camshaft Position (CMP) Sensor Performance

B

B

B

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

A

A

A

DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

B

B

B

DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance

B

B

B

DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

B

B

B

DTC P0420 Catalyst System Low Efficiency

A

A

A

DTC P0440 Evaporative Emission (EVAP) System

B

B

B

DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected

A

A

A

DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit

B

B

B

DTC P0446 Evaporative Emission (EVAP) Vent System Performance

B

B

B

DTC P0449 Evaporative Emission (EVAP) Vent Solenoid Control Circuit

B

B

B

DTC P0452 Fuel Tank Pressure Sensor Circuit Low Voltage

B

B

B

DTC P0453 Fuel Tank Pressure Sensor Circuit High Voltage

B

B

B

DTC P0462 Fuel Level Sensor Circuit Low Voltage

C

C

C

DTC P0463 Fuel Level Sensor Circuit High Voltage

C

C

C

DTC P0480 Cooling Fan Relay 1 Control Circuit

B

B

B

DTC P0481 Cooling Fan Relay 2 and 3 Control Circuit

B

B

B

DTC P0500 Vehicle Speed Sensor (VSS) Circuit

B

B

B

DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input

B

B

B

DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent

B

B

B

DTC P0506 Idle Speed Low

B

B

B

DTC P0507 Idle Speed High

A

A

A

DTC P0530 Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit

C

C

C

DTC P0560 System Voltage

C

C

C

DTC P0567 Cruise Control Resume Switch Circuit

C

C

C

DTC P0568 Cruise Control Set Switch Circuit

C

C

C

DTC P0571 Cruise Control Brake Switch Circuit

C

C

C

DTC P0601 Control Module Read Only Memory (ROM)

A

A

A

DTC P0602 Control Module Not Programmed

A

A

A

DTC P0604 Control Module Random Access Memory (RAM)

A

A

A

DTC P0606 Control Module Internal Performance

A

A

A

DTC P0620 Generator Performance

C

C

C

DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit

B

B

B

DTC P0704 Clutch Switch Circuit

C

C

C

DTC P0711 TFT Sensor Circuit Range/Performance

C

C

C

DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low Input

C

C

C

DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High Input

C

C

C

DTC P0719 Brake Switch Circuit Low Input

C

C

C

DTC P0724 Brake Switch Circuit High Input

C

C

C

DTC P0740 TCC Enable Solenoid Circuit Electrical

B

B

B

DTC P0742 TCC System Stuck On

B

B

B

DTC P0748 Pressure Control Solenoid Circuit Electrical

C

C

C

DTC P0751 1-2 Shift Solenoid Valve Performance - No First or Fourth Gear

B

B

B

DTC P0752 1-2 Shift Solenoid Valve Performance - No Second or Third Gear

B

B

B

DTC P0753 1-2 Shift Solenoid Circuit Electrical

B

B

B

DTC P0756 2-3 Shift Solenoid Valve Performance - No First or Second Gear

A

A

A

DTC P0757 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear

A

A

A

DTC P0758 2-3 Shift Solenoid Circuit Electrical

A

A

A

DTC P0785 3-2 Shift Solenoid Circuit Electrical

B

B

B

DTC P1106 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

C

C

C

DTC P1107 Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

C

C

C

DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

C

C

C

DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

C

C

C

DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

C

C

C

DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

C

C

C

DTC P1120 Throttle Position (TP) Sensor 1 Circuit

A

A

A

DTC P1125 Accelerator Pedal Position (APP) System

A

A

A

DTC P1133 HO2S Insufficient Switching Bank 1 Sensor 1

B

B

B

DTC P1134 HO2S Transition Time Ratio Bank 1 Sensor 1

B

B

B

DTC P1153 HO2S Insufficient Switching Bank 2 Sensor 1

B

B

B

DTC P1154 HO2S Transition Time Ratio Bank 2 Sensor 1

B

B

B

DTC P1220 Throttle Position (TP) Sensor 2 Circuit

A

A

A

DTC P1221 Throttle Position (TP) Sensor 1- 2 Correlation

A

A

A

DTC P1271 Accelerator Pedal Position (APP) Sensor 1-2 Correlation

C

C

C

DTC P1272 Accelerator Pedal Position (APP) Sensor 2-3 Correlation

C

C

C

DTC P1273 Accelerator Pedal Position (APP) Sensor 1-3 Correlation

C

C

C

DTC P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit

C

C

C

DTC P1276 Accelerator Pedal Position (APP) Sensor 1 Performance

C

C

C

DTC P1280 Accelerator Pedal Position (APP) Sensor 2 Circuit

C

C

C

DTC P1281 Accelerator Pedal Position (APP) Sensor 2 Performance

C

C

C

DTC P1285 Accelerator Pedal Position (APP) Sensor 3 Circuit

C

C

C

DTC P1286 Accelerator Pedal Position (APP) Sensor 3 Performance

C

C

C

DTC P1336 Crankshaft Position (CKP) System Variation Not Learned

A

A

A

DTC P1351 Ignition Coil Control Circuit High Voltage

B

B

B

DTC P1352 Ignition Bypass Circuit High Voltage

B

B

B

DTC P1361 Ignition Control (IC) Circuit Low Voltage

B

B

B

DTC P1362 Ignition Bypass Circuit Low Voltage

B

B

B

DTC P1374 Crankshaft Position (CKP) High to Low Resolution Frequency Correlation

B

B

B

DTC P1380 Misfire Detected - Rough Road Data Not Available

C

X

X

DTC P1381 Misfire Detected - No Communication with Brake Control Module

C

X

X

DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance

A

A

A

DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge

B

B

B

DTC P1514 Throttle Body Performance

A

A

A

DTC P1515 Control Module Throttle Actuator Position Performance

A

A

A

DTC P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

A

A

A

DTC P1517 Throttle Actuator Control (TAC) Module Performance

A

A

A

DTC P1518 Throttle Actuator Control (TAC) Module Serial Data Circuit

A

A

A

DTC P1519 Throttle Actuator Control (TAC) Module Internal Circuit

C

C

C

DTC P1523 Throttle Closed Position Performance

C

C

C

DTC P1546 Air Conditioning (A/C) Clutch Relay Control Circuit

C

C

C

DTC P1571 Traction Control Torque Request Circuit

C

C

C

DTC P1574 Stoplamp Switch Circuit

C

C

C

DTC P1586 Cruise Control Brake Switch 2 Circuit

C

C

C

DTC P1626 Theft Deterrent Fuel Enable Signal Lost

C

C

C

DTC P1629 Theft Deterrent Fuel Enable Signal Not Received

C

C

C

DTC P1635 5 Volt Reference 1 Circuit

B

B

B

DTC P1639 5 Volt Reference 2 Circuit

B

B

B

DTC P1689 Traction Control Delivered Torque Output Circuit

C

C

C

DTC P1810 TFP Valve Position Switch Circuit

B

B

B

DTC P1860 TCC PWM Solenoid Circuit Electrical

B

B

B

DTC P1870 Transmission Component Slipping

B

B

B