GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC)

Type

P0010 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit

A

P0011 Intake Camshaft Position (CMP) System Performance

A

P0012 Intake Camshaft Position (CMP) System Performance - Retarded

B

P0016 Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation

B

P0031 HO2S Heater Control Circuit Low Voltage Sensor 1

A

P0032 HO2S Heater Control Circuit High Voltage Sensor 1

A

P0037 HO2S Heater Control Circuit Low Voltage Sensor 2

A

P0038 HO2S Heater Control Circuit High Voltage Sensor 2

A

P0100 Mass Air Flow (MAF) Sensor Circuit

A

P0101 Mass Air Flow (MAF) Sensor Performance

B

P0102 Mass Air Flow (MAF) Sensor Circuit Low Voltage

A

P0103 Mass Air Flow (MAF) Sensor Circuit High Voltage

A

P0110 Intake Air Temperature (IAT) Sensor Circuit

A

P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage

A

P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage

A

P0115 Engine Coolant Temperature (ECT) Sensor Circuit

A

P0116 Engine Coolant Temperature (ECT) Sensor Performance

B

P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

A

P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

A

P0120 Throttle Position (TP) Sensor 1 Circuit

A

P0121 Throttle Position (TP) Sensor 1 Performance

A

P0122 Throttle Position (TP) Sensor 1 Circuit Low Voltage

A

P0123 Throttle Position (TP) Sensor 1 Circuit High Voltage

A

P0125 Excessive Time to Closed Loop Fuel Control

B

P0128 Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

B

P0134 HO2S Circuit Insufficient Activity Sensor 1

A

P0136 Heated Oxygen Sensor (HO2S) Circuit Sensor 2

B

P0137 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Sensor 2

A

P0138 Heated Oxygen Sensor (HO2S) Circuit High Voltage Sensor 2

A

P0171 Fuel Trim System Lean

B

P0172 Fuel Trim System Rich

B

P0220 Throttle Position (TP) Sensor 2 Circuit

A

P0222 Throttle Position (TP) Sensor 2 Circuit Low Voltage

A

P0223 Throttle Position (TP) Sensor 2 Circuit High Voltage, FWD only

A

P0300 Engine Misfire Detected

B

P0301-P0304 Cylinder Specific Misfire Detected

B

P0325 Knock Sensor (KS) Circuit

A

P0327 Knock Sensor (KS) Circuit Low Frequency

A

P0328 Knock Sensor (KS) Circuit High Frequency

A

P0335 Crankshaft Position (CKP) Sensor Circuit

B

P0339 Crankshaft Position (CKP) Sensor Circuit Intermittent

B

P0340 Camshaft Position (CMP) Sensor Circuit

A

P0341 Camshaft Position (CMP) Sensor Performance

A

P0351 Ignition Coil 1 Control Circuit

A

P0352 Ignition Coil 2 Control Circuit

A

P0353 Ignition Coil 3 Control Circuit

A

P0354 Ignition Coil 4 Control Circuit

A

P0420 Three Way Catalyst (TWC) System Low Efficiency

B

P043E Evaporative Emission (EVAP) System Reference Orifice Flow Insufficient

B

P043F Evaporative Emission (EVAP) System Reference Orifice Flow Excessive

B

P0441 Evaporative Emission (EVAP) System No Flow During Purge

B

P0450 Fuel Tank Pressure (FTP) Sensor Circuit

A

P0451 Fuel Tank Pressure (FTP) Sensor Performance

B

P0452 Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

A

P0453 Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

A

P0455 Evaporative Emission (EVAP) System Large Leak Detected

B

P0456 Evaporative Emission (EVAP) System Very Small Leak Detected

B

P0500 Vehicle Speed Sensor (VSS) Circuit, with automatic transmission

A

P0500 Vehicle Speed Sensor (VSS) Circuit, with manual transmission

B

P0504 Brake Switch Circuit 1-2 Correlation

C

P0505 Idle Control System

B

P0560 System Voltage

B

P0601 Control Module Read Only Memory (ROM)

A

P0604 Control Module Random Access Memory (RAM)

A

P0606 Control Module Internal Performance

A

P0607 Control Module Performance

A

P0617 Starter Relay Control Circuit High Voltage

A

P0630 VIN Not Programmed or Mismatched - Powertrain Control Module (PCM)

A

P0657 Solenoid High Control Circuit Group 1

A

P2102 Throttle Actuator Control Motor Circuit Low Voltage

A

P2103 Throttle Actuator Control Motor Circuit High Voltage

A

P2111 Throttle Actuator Control System - Stuck Open

A

P2112 Throttle Actuator Control System - Stuck Closed

A

P2118 Throttle Actuator Control Motor Current Performance

A

P2119 Throttle Closed Position Performance

A

P2120 Accelerator Pedal Position (APP) Sensor 1 Circuit

A

P2121 Accelerator Pedal Position (APP) Sensor 1 Intermittent

A

P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage

A

P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

A

P2125 Accelerator Pedal Position (APP) Sensor 2 Circuit

A

P2127 Accelerator Pedal Position (APP) Sensor 2 Circuit Voltage

A

P2128 Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

A

P2135 Throttle Position (TP) Sensor 1-2 Correlation

A

P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation

A

P2195 HO2S Signal Biased Lean Sensor 1

B

P2196 HO2S Signal Biased Rich Sensor 1

B

P2237 HO2S Pumping Current Control Circuit Sensor 1

B

P2238 HO2S Pumping Current Control Circuit Low Voltage Senor 1

B

P2239 HO2S Pumping Current Control Circuit High Voltage Sensor 1

B

P2252 HO2S Low Reference Circuit Low Voltage Sensor 1

B

P2253 HO2S Low Reference Circuit High Voltage Sensor 1

B

P2401 Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit Low Voltage

A

P2402 Evaporative Emission (EVAP) System Leak Detection Pump Control Circuit High Voltage

A

P2419 Fuel Tank Pressure (FTP) Control Solenoid Control Circuit Low Voltage

A

P2420 Fuel Tank Pressure (FTP) Control Solenoid Control Circuit High Voltage

A

P2610 Control Module Ignition Off Timer Performance

A

P2A00 HO2S Circuit Closed Loop (CL) Performance Sensor 1

A