GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Codes (DTC) List/Type

Description

Domestic RPO LW9

Export RPO LW9

DTC P0101 Mass Air Flow (MAF) Sensor Performance

C

-

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

B

-

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

B

-

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

B

-

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

B

-

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

B

-

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

B

-

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

B

-

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

B

-

DTC P0121 Throttle Position (TP) Sensor Performance

B

-

DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage

B

-

DTC P0123 Throttle Position (TP) Sensor Circuit High Voltage

B

-

DTC P0131 HO2S Circuit Low Voltage Sensor 1

B

-

DTC P0132 HO2S Circuit High Voltage Sensor 1

B

-

DTC P0134 HO2S Circuit Insufficient Activity Sensor 1

B

-

DTC P0171 Fuel Trim System Lean

B

-

DTC P0172 Fuel Trim System Rich

B

-

DTC P0201 Injector 1 Control Circuit

B

-

DTC P0202 Injector 2 Control Circuit

B

-

DTC P0203 Injector 3 Control Circuit

B

-

DTC P0204 Injector 4 Control Circuit

B

-

DTC P0205 Injector 5 Control Circuit

B

-

DTC P0206 Injector 6 Control Circuit

B

-

DTC P0218 Transmission Fluid Overtemperature

C

-

DTC P0230 Fuel Pump Relay Control Circuit

C

-

DTC P0300 Engine Misfire Detected

C

-

DTC P0325 Knock Sensor (KS) Circuit

B

-

DTC P0327 Knock Sensor (KS) Circuit

B

-

DTC P0336 Crankshaft Position (CKP) Sensor Circuit

B

-

DTC P0341 Camshaft Position (CMP) Sensor Performance

B

-

DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

B

-

DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance

B

-

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

B

-

DTC P0443 Evaporative Emission (EVAP) Purge Solenoid Control Circuit

B

-

DTC P0462 Fuel Level Sensor Circuit Low Voltage

C

-

DTC P0463 Fuel Level Sensor Circuit High Voltage

C

-

DTC P0480 Cooling Fan Relay 1 Control Circuit

B

-

DTC P0481Cooling Fan Relay 2 Control Circuit

B

-

DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low Input

B

-

DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent

B

-

DTC P0506 Idle Speed Low

B

-

DTC P0507 Idle Speed High

B

-

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

C

-

DTC P0560 System Voltage

C

-

DTC P0601 Control Module Read Only Memory (ROM)

A

-

DTC P0602 Control Module Not Programmed

A

-

DTC P0620 Generator Performance

C

-

DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit

B

-

DTC P0711 TFT Sensor Circuit Range/Performance

C

-

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

C

-

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

C

-

DTC P0716 Input Speed Sensor Circuit Intermittent

B

-

DTC P0717 Input Speed Sensor Circuit Low Input

B

-

DTC P0719 Brake Switch Circuit Low Input

C

-

DTC P0724 Brake Switch Circuit High Input

C

-

DTC P0730 Incorrect Gear Ratio

C

-

DTC P0741 TCC System Stuck Off

B

-

DTC P0742 TCC System Stuck On

A

-

DTC P0748 Pressure Control Solenoid Circuit Electrical

C

-

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

B

-

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

B

-

DTC P0753 1-2 Shift Solenoid Circuit Electrical

B

-

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

A

-

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

A

-

DTC P0758 2-3 Shift Solenoid Circuit Electrical

A

-

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

C

-

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

C

-

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

C

-

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

C

-

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

C

-

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

C

-

DTC P1121 Throttle Position (TP) Sensor Circuit Intermittent High Voltage

C

-

DTC P1122 Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

C

-

DTC P1133 HO2S Insufficient Switching Sensor 1

B

-

DTC P1134 HO2S Transition Time Ratio Sensor 1

B

-

DTC P1336 Crankshaft Position (CKP) System Variation Not Learned

A

-

DTC P1351 Ignition Coil Control Circuit High Voltage

B

-

DTC P1352 Ignition Bypass Circuit High Voltage

B

-

DTC P1361 Ignition Control (IC) Circuit Low Voltage

B

-

DTC P1362 Ignition Bypass Circuit Low Voltage

B

-

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

B

-

DTC P1404 Exhaust Gas Recirculation (EGR) Closed Position Performance

B

-

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

C

-

DTC P1626 Theft Deterrent Fuel Enable Signal Lost

C

-

DTC P1630 Theft Deterrent Learn Mode Active

C

-

DTC P1631 Theft Deterrent Start Enable Signal Not Correct

C

-

DTC P1635 5 Volt Reference Circuit

B

-

DTC P1639 5 Volt Reference 2 Circuit

B

-

DTC P1810 TFP Valve Position Switch Circuit

B

-

DTC P1811 Maximum Adapt and Long Shift

C

-

DTC P1814 Torque Converter Overstressed

C

-

DTC P1860 TCC PWM Solenoid Circuit Electrical

B

-

DTC P1887 TCC Release Switch Circuit

B

-