GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC)

Type

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

P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

B

P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

B

P0111 Intake Air Temperature (IAT) Sensor Performance

B

P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage

A

P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage

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

P0121 Throttle Position (TP) Sensor Performance

B

P0122 Throttle Position (TP) Sensor Circuit Low Voltage

A

P0123 Throttle Position (TP) Sensor Circuit High Voltage

A

P0125 Engine Coolant Temperature (ECT) Excessive Time to Closed Loop Fuel Control

B

P0128 Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

B

P0131 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 1

B

P0132 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 1

B

P0133 Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1

B

P0134 Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 1

B

P0135 Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 1

B

P0137 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 2

B

P0138 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 2

B

P0141 Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 2

B

P0151 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 1

B

P0152 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 1

B

P0153 Heated Oxygen Sensor (HO2S) Slow Response Bank 2 Sensor 1

B

P0154 Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 2 Sensor 1

B

P0155 Heated Oxygen Sensor (HO2S) Heater Performance Bank 2 Sensor 1

B

P0157 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 2 Sensor 2

B

P0158 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 2 Sensor 2

B

P0161 Heated Oxygen Sensor (HO2S) Heater Performance Bank 2 Sensor 2

B

P0171 Fuel Trim System Lean Bank 1

B

P0172 Fuel Trim System Rich Bank 1

B

P0174 Fuel Trim System Lean Bank 2

B

P0175 Fuel Trim System Rich Bank 2

B

P0300 Engine Misfire Detected

B

P0301-P0306 Cylinder Specific Misfire Detected

B

P0335 Crankshaft Position (CKP) Sensor Circuit

A

P0340 Camshaft Position (CMP) Sensor Circuit

A

P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

B

P0402 Exhaust Gas Recirculation (EGR) Flow Excessive

B

P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

A

P0420 Three Way Catalyst (TWC) System Low Efficiency Bank 1

B

P0430 Three Way Catalyst (TWC) System Low Efficiency Bank 2

B

P0442 Evaporative Emission (EVAP) System Small Leak Detected

B

P0444 Evaporative Emission (EVAP) Purge Solenoid Control Circuit Low Voltage

B

P0445 Evaporative Emission (EVAP) Purge Solenoid Control Circuit High Voltage

B

P0447 Evaporative Emission (EVAP) Vent Solenoid Control Circuit Low Voltage

B

P0448 Evaporative Emission (EVAP) Vent Solenoid Control Circuit High Voltage

B

P0451 Fuel Tank Pressure (FTP) Sensor Performance

B

P0452 Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

B

P0453 Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

B

P0455 Evaporative Emission (EVAP) System Large Leak Detected

A

P0456 Evaporative Emission (EVAP) System Very Small Leak Detected

B

P0461 Fuel Level Sensor Performance

B

P0463 Fuel Level Sensor Circuit High Voltage

B

P0464 Fuel Level Sensor Circuit Intermittent

B

P0496 Evaporative Emission (EVAP) System Flow During Non-Purge

B

P0500 Vehicle Speed Sensor (VSS) Circuit

A

P0505 Idle Control System

B

P0506 Idle Speed Low

B

P0507 Idle Speed High

B

P0601 Control Module Read Only Memory (ROM)

A

P0616 Starter Relay Control Circuit Low Voltage

B

P0617 Starter Relay Control Circuit High Voltage

B

P0705 Transmission Range (TR) Sensor Circuit

B

P0707 Transmission Range (TR) Sensor Circuit Low Voltage

B

P0717 Input/Turbine Speed Sensor Circuit Low Voltage

A

P0720 Output Speed Sensor Circuit

B

P0722 Output Speed Sensor Circuit Low Voltage

A

P0741 Torque Converter Clutch (TCC) Circuit Performance or Stuck Off

B

P0742 Torque Converter Clutch (TCC) Circuit Stuck On

B

P0743 Torque Converter Clutch (TCC) Enable Solenoid Control Circuit

A

P0751 Shift Solenoid (SS) 1 Performance

B

P0752 1-2 Shift Solenoid Stuck On

B

P0753 Shift Solenoid (SS) 1 Control Circuit

A

P0756 Shift Solenoid (SS) 2 Performance or Stuck Off

B

P0757 2-3 Shift Solenoid Stuck On

B

P0758 Shift Solenoid (SS) 2 Control Circuit

A

P0973 Shift Solenoid (SS) 1 Control Circuit Low Voltage

A

P0974 Shift Solenoid (SS) 1 Control Circuit High Voltage

A

P0976 Shift Solenoid (SS) 2 Control Circuit Low Voltage

A

P0977 Shift Solenoid (SS) 2 Control Circuit High Voltage

A

P1510 Control Module Long Term Memory Reset

A

P1740 Cruise Control Feedback Circuit

A

P1875 4WD Switch Circuit

B

P2025 Fuel Vapor Temperature Sensor Performance

B

P2026 Fuel Vapor Temperature Sensor Circuit Low Voltage

A

P2027 Fuel Vapor Temperature Sensor Circuit High Voltage

A

P2227 Barometric Pressure (BARO) Sensor Performance

B

P2228 Barometric Pressure (BARO) Sensor Circuit Low Voltage

A

P2229 Barometric Pressure (BARO) Sensor Circuit High Voltage

A

P2231 HO2S Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1

B

P2232 HO2S Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 2

B

P2234 HO2S Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1

B

P2235 HO2S Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 2

B

P2769 Torque Converter Clutch (TCC) Enable Solenoid Control Circuit Low Voltage

A

P2770 Torque Converter Clutch (TCC) Enable Solenoid Control Circuit High Voltage

A