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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE INDEX

DTC (1) Description (2) Code Type
BXXXX (3) Body Control Systems Malfunction N/A
CXXXX (3) Chassis Control System Malfunction N/A
P0101  Mass Air Flow Sensor Performance B
P0102  MAF Sensor Circuit - Low Frequency B
P0103  MAF Sensor Circuit - High Frequency B
P0107  MAP Sensor Circuit - Low Voltage B
P0108  MAP Sensor Circuit - High Voltage B
P0112  IAT Sensor Circuit - Low Voltage B
P0113  IAT Sensor Circuit - High Voltage B
P0116  ECT Sensor Performance B
P0117  ECT Sensor Circuit - Low Voltage B
P0118  ECT Sensor Circuit - High Voltage B
P0125  Excess Time To Enter Closed Loop Fuel Control B
P0128  ECT Less Than Thermostat Regulating Temperature B
P0130  HO2S Circuit Sensor 1 B
P0131  HO2S Circuit - Low Voltage - Bank 1, Sensor 1 B
P0132  HO2S Circuit - High Voltage - Bank 1, Sensor 1 B
P0133  HO2S Circuit - Slow Response - Bank 1, Sensor 1 B
P0134  HO2S Circuit - Insufficient Activity - Bank 1, Sensor 1 B
P0135  HO2S Heater Circuit - Bank 1, Sensors 1 B
P0137  HO2S Circuit - Low Voltage - Bank 1, Sensor 2 B
P0138  HO2S Circuit - High Voltage - Bank 1, Sensor 2 B
P0140  HO2S Circuit - Insufficient Activity - Bank 1, Sensor 2 B
P0141  HO2S Heater Circuit - Bank 1, Sensors 2 B
P0150  HO2S Circuit - Bank 2, Sensor 1 B
P0151  HO2S Circuit - Low Voltage - Bank 2, Sensor 1 B
P0152  HO2S Circuit - High Voltage - Bank 2, Sensor 1 B
P0153  HO2S Circuit - Slow Response - Bank 2, Sensor 1 B
P0154  HO2S Circuit - Insufficient Activity - Bank 2, Sensor 1 B
P0155  HO2S Heater Circuit - Bank 2, Sensors 1 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
P0201-P0206  Fuel Injector Control Circuits B
P0218 (4) Transmission Fluid Overtemperature C
P0230  Fuel Pump Control Relay Circuit B
P0300  Engine Misfire Detected B
P0325  Knock Sensor Module Circuit B
P0327  Knock Sensor 1 - Low Voltage B
P0332  Knock Sensor 2 - Low Voltage B
P0336  Crankshaft Position Sensor Circuit Performance B
P0341  Camshaft Position Sensor Circuit Performance A
P0401  EGR Insufficient Flow Detected A
P0403  EGR Solenoid Control Circuit B
P0404  EGR System B
P0405  EGR Sensor Circuit Low Voltage B
P0420  TWC System - Low Efficiency A
P0440  EVAP System - Large Leak B
P0442  EVAP System - Small Leak A
P0443  EVAP Purge Valve Control Circuit B
P0446  EVAP Vent Valve Performance A
P0449  EVAP Vent Valve Performance B
P0452  Fuel Tank Pressure Sensor - Low Voltage B
P0453  Fuel Tank Pressure Sensor - High Voltage B
P0461 (5) Fuel Level Sensor Circuit Performance C
P0462 (5) Fuel Level Sensor Circuit - Low Voltage C
P0463 (5) Fuel Level Sensor Circuit - High Voltage C
P0480 (6) Coolant Fan 1 Control Circuit B
P0481 (6) Coolant Fan 2 Control Circuit B
P0500  Vehicle Speed Sensor (M/T) B
P0502  Vehicle Speed Sensor Low Output (A/T) B
P0503  Vehicle Speed Sensor Erratic (A/T) B
P0506  Idle Control System - Low RPM B
P0507  Idle Control System - RPM High A
P0530 (7) A/C Refrigerant Pressure Sensor Circuit C
P0560 (8) System Voltage N/A
P0562 (8) Low System Voltage C
P0563 (8) High System Voltage C
P0567 (9) Cruise Control Resume/Accel Switch Circuit C
P0568 (9) Cruise Control Set/Coast Switch Circuit C
P0571 (9) TCC Brake Switch Circuit C
P0574 (9) Cruise Control System - Vehicle Speed Too High N/A
P0601  PCM Read Only Memory A
P0602  PCM Not Programmed A
P0603  PCM Long Term Memory Reset N/A
P0604  PCM Random Access Memory A
P0605  PCM Programming Read Only Memory N/A
P0606  PCM Internal Performance A
P0607  PCM Performance A
P0608 (5) VSS Output Circuit C
P0615 (10) Starter Relay Control Circuit N/A
P0620 (8) Generator Control Circuit C
P0645 (7) A/C Clutch Relay Control Circuit C
P0650  MIL Control Circuit B
P0704  Clutch Pedal Switch C
P0711 (4) TFT Sensor Circuit - Range/Performance C
P0712 (4) TFT Sensor Circuit - Low Input C
P0713 (4) TFT Sensor Circuit - High Input C
P0719  Brake Switch Circuit - Low Input C
P0724  Brake Switch Circuit - High Input C
P0740 (4) TCC Enable Solenoid Circuit - Electrical Malfunction B
P0742 (4) TCC System - Stuck On B
P0748 (4) PC Solenoid Circuit - Electrical Malfunction C
P0751 (4) 1-2 Shift Solenoid Valve Performance B
P0752 (4) 1-2 Shift Solenoid Valve Performance - No 2nd Or 3rd Gear B
P0753 (4) 1-2 Shift Solenoid Circuit - Electrical Malfunction B
P0756 (4) 2-3 Shift Solenoid Valve Performance A
P0757 (4) 2-3 Shift Solenoid Valve Performance - No 3rd Or 4th Gear A
P0758 (4) 2-3 Shift Solenoid Circuit - Electrical Malfunction A
P0785 (4) 3-2 Shift Solenoid Circuit - Electrical Malfunction B
P1106  MAP Sensor Circuit - Intermittent High Voltage C
P1107  MAP Sensor Circuit - Intermittent Low Voltage C
P1112  IAT Sensor Circuit - Intermittent Low Voltage C
P1114  ECT Sensor Circuit - Intermittent Low Voltage C
P1115  ECT Sensor Circuit - Intermittent High Voltage C
P1120  Throttle Position Sensor 1 Circuit A
P1125  Accelerator Pedal Position System A
P1133  HO2S Circuit - Insufficient Switching - Bank 1, Sensor 1 B
P1134  HO2S Transition Time Ratio - Bank 1, Sensor 1 B
P1153  HO2S Circuit - Insufficient Switching - Bank 2, Sensor 1 B
P1154  HO2S Transition Time Ratio - Bank 2, Sensor 1 B
P1220  Throttle Position Sensor Out Of Range A
P1221  Throttle Position Sensor 1 & 2 Disagree A
P1258  Engine Metal Over Temperature Protection A
P1271  Accelerator Pedal Position Sensor 1 & 2 Signals Shorted Together C
P1272  Accelerator Pedal Position Sensor 1 & 3 Signals Shorted Together C
P1273  Accelerator Pedal Position Sensor 2 & 3 Signals Shorted Together C
P1275  Accelerator Pedal Position Sensor 1 Signal Out Of Range C
P1276  Accelerator Pedal Position Sensor 1 Disagrees With Sensors 2 & 3 C
P1280  Accelerator Pedal Position Sensor 2 Signal Out Of Range C
P1281  Accelerator Pedal Position Sensor 2 Disagrees With Sensors 1 & 3 C
P1285  Accelerator Pedal Position Sensor 3 Signal Out Of Range C
P1286  Accelerator Pedal Position Sensor 3 Disagrees With Sensors 1 & 2 C
P1336  Crankshaft System Variation Not Learned A
P1351  PCM Detects Open In Ignition Control Circuit B
P1352  PCM Detects Open In Ignition Control Circuit B
P1361  PCM Does Not Monitor Ignition Control Pulses B
P1362  Ignition Control Signal Circuit - Short To Voltage B
P1374  3X Reference Circuit B
P1380  EBCM DTC Detected Rough Road Data Unstable C
P1381  Misfire Detected - No EBCM/PCM Serial Data C
P1404  EGR Valve Closed Position Performance A
P1441  EVAP System Flow During Non-Purge B
P1514  Actual MAF & Speed Density Is Greater Than Expected A
P1515  Commanded & Actual Throttle Position Mismatch A
P1516  Commanded & Actual Throttle Position Malfunction A
P1517  Throttle Actuator Control Module Internal Malfunction A
P1518  Loss Of Communication Between PCM & Throttle Actuator Control Module A
P1519  Throttle Position Sensor 1 Out Of Range C
P1523  Commanded & Actual Throttle Position Mismatch C
P1539 (7) A/C Clutch Status Circuit High Voltage C
P1546 (7) A/C Clutch Status Circuit Low Voltage C
P1554 (9) Cruise Engaged Circuit High Voltage N/A
P1574 (9) EBTCM System - Stop Lamp Switch Ckt. High Voltage C
P1585 (9) Cruise Inhibit Control Circuit N/A
P1586 (9) Cruise Control Brake Switch 2 Circuit C
P1600  PCM Long Term Memory Reset A
P1621  PCM Long Term Memory Performance A
P1626 (11) Theft Deterrent System Loss Of Serial Communication C
P1627  PCM Memory Performance A
P1629 (11) Theft Deterrent System - Cranking Signal C
P1635  5-Volt Reference 1 Circuit B
P1637 (8) Generator Turn-On Signal Circuit Voltage Out Of Range C
P1639  5-Volt Reference 2 Circuit B
P1680  PCM Memory A
P1681  PCM Memory A
P1683  PCM Memory B
P1810 (4) TFP Manual Valve Position Switch - Circuit Malfunction B
P1860 (4) TCC PWM Solenoid Circuit - Electrical Malfunction B
P1870 (4) Transmission Component Slipping B
P2610  PCM Memory N/A
UXXXX (3) Network Communication System Malfunction N/A
(1) DTC definitions may vary depending on vehicle and/or engine configuration.
(2) See CODE TYPES  under ON-BOARD DIAGNOSTICS.
(3) See appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
(4) See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(5) See appropriate ANALOG INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
(6) See appropriate ELECTRIC COOLING FANS article in ENGINE COOLING.
(7) See appropriate MANUAL A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING.
(8) See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(9) See appropriate CRUISE CONTROL SYSTEMS article in ACCESSORIES & EQUIPMENT.
(10) See appropriate STARTERS article in STARTING & CHARGING SYSTEMS.
(11) See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT.
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