Diagnostic Trouble Code Definitions
NOTE:
If any DTCs not listed here are displayed by a scan tool, the scan tool data may be faulty. Notify the scan tool manufacturer of any DTCs displayed that are not included in the following.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Type | Component/System | Most Likely Cause |
|---|---|---|
| P0101 /B | MAF Sensor Circuit Range/ Performance Problem | MAF Sensor |
| P0102 /A | MAF Sensor Circuit Low Frequency | Open/Short, MAF Sensor Or PCM |
| P0103 /A | MAF Sensor Circuit High Frequency | Open/Short, MAF Sensor Or PCM |
| P0106 /A | MAP Sensor Circuit Range/ Performance Problem | MAP Sensor |
| P0107 /A | MAP Sensor Circuit Low Frequency | Open/Short, MAP Sensor Or PCM |
| P0108 /A | MAP Sensor Circuit High Frequency | Open, MAP Sensor Or PCM |
| P0112 /A | IAT Sensor Circuit Low Frequency | Short, IAT Sensor Or PCM |
| P0113 /A | IAT Sensor Circuit High Frequency | Open, IAT Sensor Or PCM |
| P0117 /A | ECT Sensor Circuit Low Frequency | Short, ECT Sensor Or PCM |
| P0118 /A | ECT Sensor Circuit High Frequency | Open, ECT Sensor Or PCM |
| P0121 /A | TP Sensor Circuit Range/ Performance Problem | TP Sensor Or PCM |
| P0122 /A | TP Sensor Circuit Low Frequency | Open/Short, TP Sensor Or PCM |
| P0123 /A | TP Sensor Circuit High Frequency | Open Circuit, TP Sensor Or PCM |
| P0125 /B | ECT Sensor Circuit Excessive Warm-Up Time To Closed Loop | Cooling System, ECT Or PCM |
| P0131 /A | Bank 1 Primary HO2S Circuit Low Voltage | Short, HO2S Sensor, Fuel Supply Or PCM |
| P0132 /A | Bank 1 Primary HO2S Circuit High Voltage | Open, HO2S Sensor Or PCM |
| P0133 /B | Bank 1 Primary HO2S Slow Response | HO2S Sensor Or Exhaust System |
| P0134 /A | Bank 1 Primary HO2S Insufficient Activity | Poor Connections, HO2S Sensor Or PCM |
| P0135 /B | Bank 1 Primary HO2S Heater Circuit Malfunction | Open/Short Or PCM |
| P0137 /A | Bank 1 Secondary HO2S Circuit Low Voltage | Short, HO2S Or PCM |
| P0138 /A | Bank 1 Secondary HO2S Circuit High Voltage | Open, HO2S Or PCM |
| P0140 /A | Bank 1 Secondary HO2S Circuit Insufficient Activity | Short In Circuit, HO2S Or PCM |
| P0141 /B | Bank 1 Secondary HO2S Circuit Malfunction | Open/Short In Heater Circuit Or PCM |
| P0143 /A | Bank 1 Secondary HO2S Low Voltage (M/T Only) | Short, HO2S Or PCM |
| P0144 /A | Bank 1 Secondary HO2S High Voltage (M/T Only) | Open/Short, HO2S Or PCM |
| P0146 /A | Bank 1 Secondary HO2S Insufficient Activity (M/T Only) | Short, HO2S Or PCM |
| P0147 /B | Bank 1 Secondary HO2S Heater Circuit (M/T Only) | Short Or HO2S |
| P0151 /A | Bank 2 Secondary HO2S Circuit Low Voltage | Short Or PCM |
| P0152 /A | Bank 2 Secondary HO2S Circuit High Voltage | Short, HO2S Or PCM |
| P0153 /B | Bank 2 Secondary HO2S Circuit Slow Response | Open/Short, HO2S Contamination Or PCM |
| P0154 /A | Bank 2 Secondary HO2S Insufficient Activity | HO2S Or PCM |
| P0155 /B | Bank 2 Secondary HO2S Heater Circuit | Short Or HO2S |
| P0157 /A | Bank 2 Secondary HO2S Circuit Low Voltage (A/T Only) | Short Or PCM |
| P0158 /A | Bank 2 Secondary HO2S Circuit High Voltage (A/T Only) | Short, HO2S Or PCM |
| P0160 /A | Bank 2 Secondary HO2S Circuit Insufficient Activity (A/T Only) | Short, HO2S Or PCM |
| P0161 /B | Bank 2 Secondary HO2S Heater Circuit Malfunction (A/T Only) | Short Or HO2S |
| P0171 /B | Bank 1 System Too Lean | Fuel Supply/ Contamination, Primary HO2S, MAP, Leaking Exhaust Or Valve Clearance |
| P0172 /B | Bank 1 System Too Rich | Fule Supply, Primary HO2S, MAP Sensor, Fuel Contamination Or Valve Clearance |
| P0174 /B | Bank 2 System Too Lean | Air Intake System, MAF Sensor, Fuel Supply Or Exhaust System |
| P0175 /B | Bank 2 System Too Rich | Air Intake System, MAF Sensor, Fuel Supply Or TP Sensor |
| P0200/A | Injector Control Circuit | Open/Short, Faulty Injector Or PCM |
| P0201 /A | Injector No. 1 Circuit Malfunction | Open/Short Or PCM |
| P0202 /A | Injector No. 2 Circuit Malfunction | Open/Short Or PCM |
| P0203 /A | Injector No. 3 Circuit Malfunction | Open/Short Or PCM |
| P0204 /A | Injector No. 4 Circuit Malfunction | Open/Short Or PCM |
| P0205 /A | Injector No. 5 Circuit Malfunction | Open/Short Or PCM |
| P0206 /A | Injector No. 6 Circuit Malfunction | Open/Short Or PCM |
| P0218/D | Transmission High Temp. Condition(A/T Only) | Miscellaneous |
| P0300 /B | Random Misfire Detected | Ignition System, Fuel Supply, MAP Sensor, EGR System Detected System, IAC Valve Or Contaminated Fuel |
| P0301 /B | Cylinder No. 1 Misfire Detected | Miscellaneous |
| P0302 /B | Cylinder No. 2 Misfire Detected | Miscellaneous |
| P0303 /B | Cylinder No. 3 Misfire Detected | Miscellaneous |
| P0304 /B | Cylinder No. 4 Misfire Detected | Miscellaneous |
| P0305 /B | Cylinder No. 5 Misfire Detected | Miscellaneous |
| P0306 /B | Cylinder No. 6 Misfire Detected | Miscellaneous |
| P0325 /A | Knock Sensor (KS) Circuit Malfunction | PCM |
| P0327 /A | KS Circuit | Open/Short, KS Or PCM |
| P0335/A | Crankshaft Position (CKP) Sensor Circuit Malfunction | CKP Sensor, Circuit Or PCM |
| P0336 /B | CKP Sensor Range/Performance | CKP Sensor, Valve Timing Or Timing Belt Skipped Teeth |
| P0337 /B | CKP Circuit Low Frequency | Open/Short, CKP Sensor Or PCM |
| P0338/A | CKP Sensor High Frequency | CKP Sensor Circuit Or VCM |
| P0339/A | CKP Sensor Circuit Intermittent | CKP Sensor, CKP Sensor Circuit Or VCM |
| P0340/A | CMP Sensor Circuit | CMP Sensor, CMP Sensor Circuit Or VCM |
| P0341 /A | CMP Circuit Performance | Open/Short, CMP Sensor, Faulty Or Missing CMP Magnet OR PCM |
| P0342 /A | CMP Sensor Low Frequency | CMP Sensor/Magnet Or PCM |
| P0351 /A | Ignition Coil 1 Circuit | Ignition Control Module (ICM), Open/ Short Or PCM |
| P0352 /A | Ignition Coil 2 Circuit | Miscellaneous |
| P0353 /A | Ignition Coil 3 Circuit | Miscellaneous |
| P0354 /A | Ignition Coil 4 Circuit | Miscellaneous |
| P0355 /A | Ignition Coil 5 Circuit | Miscellaneous |
| P0356 /A | Ignition Coil 6 Circuit | Miscellaneous |
| P0401 /A | Insufficient EGR Flow Detected | EGR Valve Or Line |
| P0404/A | EGR Valve Pintle Position Open | EGR Valve, EGR Valve Circuit Or PCM |
| P0405/A | EGR Valve Sensor Signal Low | EGR Valve, EGR Valve Circuit Or PCM |
| P0420 /A | Bank 1 Catalyst System Efficiency Below Threshold | Catalytic Converter Or Secondary HO2S |
| P0430 /A | Bank 2 Catalyst System Efficiency Below Threshold | (A/T Only) Catalytic Converter Or Secondary HO2S |
| P0440 /A | EVAP System | Canister Purge Valve,Vent Solenoid Or Hoses |
| P0441/B | Evaporative Emission Control System, Incorrect Purge Flow | EVAP Canister, Vacuum Switch, Purge Solenoid Or PCM |
| P0442 /A | EVAP Small Leak Detected | Vent Solenoid, Fuel Cap Or Lines |
| P0446 /A | EVAP Canister Vent Blocked | Vent Solenoid Or Canister |
| P0460/D | EVAP Fuel Level Sensor Circuit | Miscellaneous |
| P0461 /D | Fuel Level Sensor Circuit Performance | Fuel Level Sensor/ Circuit Or PCM/VCM |
| P0462 /D | Fuel Level Sensor Circuit Low Voltage | Fuel LevelSensor/ Circuit Or PCM/VCM |
| P0463 /D | Fuel Level Sensor Circuit High Voltage | Fuel Level Sensor/ Circuit Or PCM/VCM |
| P0500/A | Vehicle Speed Sensor (VSS) Circuit | VSS, Circuit Or PCM |
| P0501/A | Vehicle Speed Sensor (VSS) Circuit Range/Performance | VSS, Circuit Or PCM |
| P0502 /A | VSS Circuit Low Frequency | Open/Short, VSS Or PCM |
| P0506 /B | Idle Control System Low RPM | IAC Valve Or PCM |
| P0507 /B | Idle Control System High RPM | IAC Valve Or PCM |
| P0530/D | A/C Refrigerant Pressure Sensor Circuit | Open, A/C Refrigerant Pressure Sensor Or PCM |
| P0560/D | System Voltage Malfunction (A/T Only) | Miscellaneous |
| P0562 /D | System Voltage Low | Open Or PCM |
| P0563 /D | System Voltage High | PCM |
| P0601 /A | Powertrain Control module (PCM) Memory Check Sum Error | PCM |
| P0602/D | PCM Not Programmed | PCM |
| P0704/B | Clutch Switch Circuit | Clutch Switch/ Circuit Or VCM |
| P0705/D | Transmission Range Sensor Circuit Malfunction | Miscellaneous |
| P0706/D | Transmission Range Sensor Rationality | Miscellaneous |
| P0712/D | Transmission Fluid Temperature Low Voltage | Miscellaneous |
| P0713/D | Transmission Fluid Temperature High Voltage | Miscellaneous |
| P0719/D | Brake Switch Circuit Low | Miscellaneous |
| P0722/A | Output Speed Sensor Circuit No Signal | Miscellaneous |
| P0723/A | Output speed Sensor Circuit Intermittent Signal | Miscellaneous |
| P0724/D | Brake Switch Circuit High | Miscellaneous |
| P0730/C | Wont Shift Between 1/2nd, 2/3rd, 2/4th. Stuck in 1st Or 4th gears (A/T) | Faulty Shift Control System |
| P0742/A | Torque Converter Clutch Circuit Stuck On | Miscellaneous |
| P0748/C | Transmission Pressure Control Solenoid Electrical Circuit Fault | Miscellaneous |
| P0751/B | Transmission Shift Solenoid "A" Performance Or Stuck Off (A/T Only) | Miscellaneous |
| P0753/A | Transmission Shift Solenoid "A" - Electrical Circuit Fault | Open/Short In Circuit Or Faulty Solenoid |
| P0756/B | Transmission Shift Solenoid "B" Performance Stuck Off (A/T Only) | Miscellaneous |
| P0758/A | Transmission Shift Solenoid "B" - Electrical Circuit Fault | Open/Short In Circuit Or Faulty Solenoid |
| P1106 /D | Manifold Absolute Pressure (MAP) Circuit Intermittent High Voltage | Open/Short In Circuit |
| P1107 /D | MAP/Barometric Pressure Circuit Low Voltage | Intermittent Open/ Short Or PCM |
| P1111 /D | Intake Air Temperature (IAT) Circuit Intermittent High Voltage | Poor Ground Or Open Circuit |
| P1112 /D | IAT Circuit Intermittent Low Voltage | Short In Circuit |
| P1114 /D | Engine Coolant Temperature (ECT) Circuit Intermittent Low Voltage | Intermittent Short |
| P1115 /D | ECT Circuit Intermittent High Voltage | Poor PCM Ground Or Open |
| P1121 /D | Throttle Position (TP) Circuit Intermittent High Voltage | Open/Short Or Poor Ground In Circuit |
| P1122 /D | TP Circuit Intermittent Low Voltage | Open/Short Or Poor Ground In Circuit |
| P1133 /B | Bank 1 Primary HO2S Circuit Insufficient Switching | Exhaust Leak, Short In Circuit, HO2S Or PCM |
| P1134 /B | Bank 1 Primary HO2S Circuit Transition Time Ratio | Exhaust Leak, Open/ Short In Circuit, HO2S Or PCM |
| P1153 /B | Bank 2 Primary HO2S Circuit Insufficient Switching | Exhaust Leak, Short In Circuit, HO2S Or PCM |
| P1154 /B | Bank 2 Primary HO2S Circuit Transition Time Ratio | Exhaust Leak, Open/ Short In Circuit HO2S Or PCM |
| P1171 /A | Fuel System Lean During Acceleration | Fuel Pressure, Incorrect Fuel Or Hot Fuel |
| P1336 | CKP System Variation Not Learned | Miscellaneous |
| P1345 | CMP/CKP Sensor Correlation | Mechinical Problem |
| P1351 | Ignition Control Circuit High Voltage | Ignition Module/ Circuit Or VCM |
| P1361 | Top Dead Center Sensor Intermittent Interruption | TDC Sensor |
| P1380/A | ABS DTC Detected Rough Road Data Unusable | PCM |
| P1381/A | CPS Intermittent Interruption | CYP Sensor |
| P1390 /D | G-Sensor Circuit Intermittent Low Voltage | Open/Short |
| P1391 /B | G-Sensor Circuit Performance | G-Sensor Or PCM |
| P1392 /A | G-Sensor Circuit Low Voltage | PCM |
| P1393 /A | G-Sensor Circuit High Voltage | Poor Grounds, G-Sensor Or PCM |
| P1394 /D | G-Sensor Circuit Intermittent High Voltage | Poor Ground, MAP Or G-Sensor |
| P1404 | EGR Valve Closed Pintle Position | EGR Valve/Circuit Or PCM |
| P1406 /A | Exhaust Gas Recirculation (EGR) Valve Pintle Position Circuit | Open/Short, EGR Or PCM |
| P1441 /B | Evaporative Emission (EVAP) System Flow During Non-Purge | Short, PCM, EVAP Purge Solenoid Or EVAP Vacuum Switch |
| P1442/B | EVAP System Vacuum Switch Circuit | Open/Short, PCM Or EVAP Vacuum Switch |
| P1508 /B | Idle Control System Low RPM | IAC Valve Circuit Or PCM |
| P1509 /B | Idle Control System High RPM | Vacuume Leaks, IAC Circuit Or PCM |
| P1520 | Park Neutral Position (PNP) Switch Circuit | PNP Switch Or Circuit |
| P1601 | Serial Communication Malfunction | PCM Or Data Bus |
| P1602 | EBCM/EBTCM Serial Data Circuit | PCM Or Data Bus |
| P1607 | PCM Internal Circuit Failure "A" | PCM |
| P1618 /A | Serial Peripheral Interface. PCM Interprocessor Communication Error | PCM |
| P1621 | PCM Memory Performance | PCM |
| P1640 /D | ODM "A" Fault | Open in Ignition Circuit Or PCM |