Engine Performance - 4.3L DTCS
ENGINE PERFORMANCE - 4.3L DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0101 | MASS AIR FLOW SENSOR PERFORMANCE |
| DTC P0102 | MAF SENSOR CIRCUIT - LOW FREQUENCY |
| DTC P0103 | MAF SENSOR CIRCUIT - HIGH FREQUENCY |
| DTC P0106 | MAP SYSTEM PERFORMANCE |
| DTC P0107 | MAP SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0108 | MAP SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0112 | IAT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0113 | IAT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0116 | ECT SENSOR PERFORMANCE |
| DTC P0117 | ECT SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0118 | ECT SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0121 | TP SENSOR PERFORMANCE |
| DTC P0122 | TP SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0123 | TP SENSOR CIRCUIT - HIGH VOLTAGE |
| DTC P0125 | EXCESSIVE TIME TO ENTER CLOSED LOOP FUEL CONTROL |
| DTC P0128 | ECT LESS THAN THERMOSTAT REGULATING TEMPERATURE |
| DTC P0131 & P0151 | HO2S CIRCUIT - LOW VOLTAGE - BANK 1 & 2, SENSOR 1 |
| DTC P0132 & P0152 | HO2S CIRCUIT - HIGH VOLTAGE - BANK 1 & 2, SENSOR 1 |
| DTC P0133 & P0153 | HO2S CIRCUIT - SLOW RESPONSE - BANK 1 & 2, SENSOR 1 |
| DTC P0134 & P0154 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1 & 2, SENSOR 1 |
| DTC P0135 & P0155 | HO2S HEATER CIRCUIT - BANK 1 & 2, SENSORS 1 |
| DTC P0137 | HO2S CIRCUIT - LOW VOLTAGE - BANK 1, SENSOR 2 |
| DTC P0138 | HO2S CIRCUIT - HIGH VOLTAGE - BANK 1, SENSOR 2 |
| DTC P0140 | HO2S CIRCUIT - INSUFFICIENT ACTIVITY - BANK 1, SENSOR 2 |
| DTC P0141 | HO2S HEATER CIRCUIT - BANK 2, SENSOR 1 |
| DTC P0171 & P0174 | FUEL TRIM SYSTEM LEAN - BANK 1 & 2 |
| DTC P0172 & P0175 | FUEL TRIM SYSTEM RICH - BANK 1 & 2 |
| DTC P0200 | FUEL INJECTOR CONTROL CIRCUIT |
| DTC P0230 | FUEL PUMP CONTROL RELAY CIRCUIT |
| DTC P0300 | ENGINE MISFIRE DETECTED |
| DTC P0325 | KNOCK SENSOR MODULE CIRCUIT |
| DTC P0327 | KNOCK SENSOR CIRCUIT - LOW VOLTAGE |
| DTC P0335 | CRANKSHAFT POSITION SENSOR CIRCUIT |
| DTC P0336 | CRANKSHAFT POSITION SENSOR CIRCUIT PERFORMANCE |
| DTC P0341 | CAMSHAFT POSITION SENSOR CIRCUIT PERFORMANCE |
| DTC P0351 | IGNITION CONTROL CIRCUIT |
| DTC P0420 & P0430 | TWC SYSTEM - LOW EFFICIENCY - BANK 1 & 2 |
| DTC P0440 | EVAP SYSTEM - LARGE LEAK |
| DTC P0442 | EVAP SYSTEM - SMALL LEAK |
| DTC P0443 | EVAP PURGE SOLENOID CONTROL CIRCUIT |
| DTC P0446 | EVAP VENT VALVE PERFORMANCE |
| DTC P0449 | EVAP VENT VALVE PERFORMANCE |
| DTC P0452 | FUEL TANK PRESSURE SENSOR - LOW VOLTAGE |
| DTC P0453 | FUEL TANK PRESSURE SENSOR - HIGH VOLTAGE |
| DTC P0500 | VEHICLE SPEED SENSOR (M/T) |
| DTC P0502 | VEHICLE SPEED SENSOR LOW OUTPUT (A/T) |
| DTC P0503 | VEHICLE SPEED SENSOR ERRATIC (A/T) |
| DTC P0506 | IDLE CONTROL SYSTEM - LOW RPM |
| DTC P0507 | IDLE CONTROL SYSTEM - HIGH RPM |
| DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681 & P1683 | PCM MEMORY |
| DTC P0650 | MIL CONTROL CIRCUIT |
| DTC P0704 | CLUTCH PEDAL SWITCH |
| DTC P0706 | TRANSMISSION RANGE SWITCH |
| DTC P0719 | BRAKE SWITCH CIRCUIT - LOW INPUT |
| DTC P0724 | BRAKE SWITCH CIRCUIT - HIGH INPUT |
| DTC P1111 | IAT SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE |
| DTC P1112 | IAT SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1114 | ECT SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1115 | ECT SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE |
| DTC P1121 | TP SENSOR CIRCUIT - INTERMITTENT HIGH VOLTAGE |
| DTC P1122 | TP SENSOR CIRCUIT - INTERMITTENT LOW VOLTAGE |
| DTC P1133 & P1153 | HO2S CIRCUIT - INSUFFICIENT SWITCHING - BANK 1 & 2, SENSOR 1 |
| DTC P1134 & P1154 | HO2S TRANSITION TIME RATIO - BANK 1 & 2, SENSOR 1 |
| DTC P1258 | ENGINE OVERTEMPERATURE |
| DTC P1336 | CRANKSHAFT SYSTEM VARIATION NOT LEARNED |
| DTC P1345 | CRANKSHAFT/CAMSHAFT POSITION SENSOR CORRELATION |
| DTC P1380 | EBCM DTC DETECTED ROUGH ROAD DATA UNSTABLE |
| DTC P1381 | MISFIRE DETECTED - NO EBCM/PCM SERIAL DATA |
| DTC P1441 | EVAP SYSTEM FLOW DURING NON-PURGE |
| DTC P1635 | 5-VOLT REFERENCE 1 CIRCUIT |
| DTC P1639 | 5-VOLT REFERENCE 2 CIRCUIT |