Diagnostic Trouble Code (DTC) Definitions
See DTC IDENTIFICATION table, then go to appropriate diagnostic procedure. Repair condition which set DTC(s), begining with lowest number first, then in ascending order.
NOTE:
Not all codes apply to all models.
DTC IDENTIFICATION
| Code | Probable Cause | ||||
|---|---|---|---|---|---|
| P0102 | Mass Airflow (MAF) Circuit Input Low | ||||
| P0103 | Mass Airflow (MAF) Circuit Input High | ||||
| P0112 | Intake Air Temp. (IAT) Circuit Input Low | ||||
| P0113 | Intake Air Temp. (IAT) Circuit Input High | ||||
| P0116 | Engine Coolant Temp. (ECT) Sensor Circuit Range | ||||
| P0117 | Engine Coolant Temp. (ECT) Sensor Circuit Input Low | ||||
| P0118 | Engine Coolant Temp. (ECT) Sensor Circuit Input High | ||||
| P0121 (1) | Throttle Position (TP) Sensor Range | ||||
| P0122 | Throttle Position (TP) Sensor Circuit Input Low | ||||
| P0123 | Throttle Position (TP) Sensor Circuit Input High | ||||
| P0130 | HO2S Circuit Malfunction (Front) | ||||
| P0131 | HO2S Circuit Voltage Low (Front) | ||||
| P0132 | HO2S Circuit Voltage High (Front) | ||||
| P0133 | HO2S Circuit Slow Response (Front) | ||||
| P0134 | HO2S Circuit No Activity (Front) | ||||
| P0135 | HO2S Heater Circuit Malfunction (Front) | ||||
| P0136 | HO2S Circuit Malfunction (Rear) | ||||
| P0137 | HO2S Circuit Voltage Low (Rear) | ||||
| P0138 | HO2S Circuit Voltage High (Rear) | ||||
| P0141 | HO2S Heater Circuit Malfunction (Rear) | ||||
| P0201 | Injector No. 1 Circuit Malfunction | ||||
| P0202 | Injector No. 2 Circuit Malfunction | ||||
| P0203 | Injector No. 3 Circuit Malfunction | ||||
| P0204 | Injector No. 4 Circuit Malfunction | ||||
| P0300 | Random Misfire Detected | ||||
| P0301 | Cylinder No. 1 Misfire Detected | ||||
| P0302 | Cylinder No. 2 Misfire Detected | ||||
| P0303 | Cylinder No. 3 Misfire Detected | ||||
| P0304 | Cylinder No. 4 Misfire Detected | ||||
| P0326 | Knock Sensor Range | ||||
| P0335 | Crankshaft Position (CKP) Sensor Malfunction | ||||
| P0336 | Crankshaft Position (CKP) Sensor Range | ||||
| P0340 | Camshaft Position (CMP) Sensor Malfunction | ||||
| P0342 | Camshaft Position (CMP) Sensor Circuit Input Low | ||||
| P0343 | Camshaft Position (CMP) Sensor Circuit Input High | ||||
| P0400 | EGR Flow Malfunction | ||||
| P0403 | EGR Solenoid Malfunction | ||||
| P0420 | Catalyst Efficiency Below Threshold | ||||
| P0422 | Main Catalyst Efficiency Below Threshold | ||||
| P0441 | EVAP Purge Valve Permanently Open | ||||
| P0442 | EVAP System Small Leak Detected | ||||
| P0443 | EVAP Purge Control System | ||||
| P0444 | EVAP System Purge Control Valve Circuit Open | ||||
| P0445 | EVAP System Purge Control Valve Circuit Shorted | ||||
| P0446 | EVAP Purge Valve Permanently Closed | ||||
| P0447 | EVAP Vent Valve Short To Ground | ||||
| P0448 | EVAP Vent Valve Short To Voltage | ||||
| P0451 | Fuel Tank Pressure Sensor Signal Not Plausible | ||||
| P0452 | Fuel Tank Pressure Sensor Signal Low | ||||
| P0453 | Fuel Tank Pressure Sensor Signal High | ||||
| P0455 | EVAP System Incorrect Purge Flow | ||||
| P0501 | Vehicle Speed Sensor (VSS) Range | ||||
| P0506 | Idle RPM Lower Than Expected | ||||
| P0507 | Idle RPM Higher Than Expected | ||||
| P0562 | System Voltage Low | ||||
| P0563 | System Voltage High | ||||
| P0605 | Internal Control Module ROM Error | ||||
| P1123 | Long Term Fuel Trim Additive Air, System Too Rich | ||||
| P1124 | Long Term Fuel Trim Additive Air, System Too Lean | ||||
| P1127 | Long Term Fuel Trim Multiplicative, System Too Rich | ||||
| P1128 | Long Term Fuel Trim Multiplicative, System Too Lean | ||||
| P1400 | EGR System Monitor Malfunction | ||||
| P1510 | Idle Control Valve Opening Coil Circuit Shorted | ||||
| P1513 | Idle Control Valve Opening Coil Circuit Open | ||||
| P1552 | Idle Control Valve Closing Coil Circuit Shorted | ||||
| P1553 | Idle Control Valve Closing Coil Circuit Open | ||||
| P1586 | Transmission Encoding Signal Not Rational | ||||
| P1605 | Rough Road Sensor Circuit Malfunction | ||||
| P1606 | Rough Road Sensor Signal Not Rational | ||||
| P1611 | MIL Request Signal Circuit Input Low | ||||
| P1613 | MIL Request Signal Circuit Input High | ||||
| P1614 | MIL Request Signal Circuit | ||||
| P1665 (2) | Power Stage Group "A" Malfunction | ||||
| P1670 (2) | Power Stage Group "B" Malfunction | ||||
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