Engine Performance (3.1L) DTCS
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| P0101 | MAF SENSOR SYSTEM PERFORMANCE |
| P0102 | MAF SENSOR CIRCUIT LOW FREQUENCY |
| P0103 | MAF SENSOR CIRCUIT HIGH FREQUENCY |
| P0107 | MAP SENSOR CIRCUIT LOW VOLTAGE |
| P0108 | MAP SENSOR CIRCUIT HIGH VOLTAGE |
| P0112 | IAT SENSOR CIRCUIT LOW VOLTAGE |
| P0113 | IAT SENSOR CIRCUIT HIGH VOLTAGE |
| P0117 | ECT SENSOR CIRCUIT LOW VOLTAGE |
| P0118 | ECT SENSOR CIRCUIT HIGH VOLTAGE |
| P0121 | TP SENSOR PERFORMANCE |
| P0122 | TP SENSOR CIRCUIT LOW VOLTAGE |
| P0123 | TP SENSOR CIRCUIT HIGH VOLTAGE |
| P0125 | ECT EXCESSIVE TIME TO REACH CLOSED LOOP |
| P0131 | HO2S CIRCUIT LOW VOLTAGE SENSOR 1 |
| P0132 | HO2S CIRCUIT HIGH VOLTAGE SENSOR 1 |
| P0133 | HO2S CIRCUIT SLOW RESPONSE SENSOR 1 |
| P0134 | HO2S INSUFFICIENT ACTIVITY SENSOR 1 |
| P0135 | HO2S HEATER CIRCUIT SENSOR 1 |
| P0137 | HO2S CIRCUIT VOLTAGE LOW SENSOR 2 |
| P0138 | HO2S CIRCUIT VOLTAGE HIGH SENSOR 2 |
| P0140 | HO2S CIRCUIT INSUFFICIENT ACTIVITY - SENSOR 2 |
| P0141 | HO2S HEATER CIRCUIT SENSOR 2 |
| P0171 | FUEL TRIM SYSTEM LEAN |
| P0172 | FUEL TRIM SYSTEM RICH |
| P0201 | INJECTOR NO. 1 CONTROL CIRCUIT |
| P0202 | INJECTOR NO. 2 CONTROL CIRCUIT |
| P0203 | INJECTOR NO. 3 CONTROL CIRCUIT |
| P0204 | INJECTOR NO. 4 CONTROL CIRCUIT |
| P0205 | INJECTOR NO. 5 CONTROL CIRCUIT |
| P0206 | INJECTOR NO. 6 CONTROL CIRCUIT |
| P0230 | FUEL PUMP CONTROL CIRCUIT |
| P0300 | ENGINE MISFIRE DETECTED |
| P0325 | KNOCK SENSOR MODULE CIRCUIT |
| P0327 | KNOCK SENSOR LOW VOLTAGE |
| P0336 | 24X REFERENCE SIGNAL CIRCUIT |
| P0341 | CAMSHAFT POSITION SENSOR CIRCUIT |
| P0401 | EGR SYSTEM INSUFFICIENT FLOW |
| P0403 | EGR SOLENOID CONTROL CIRCUIT |
| P0404 | EGR SYSTEM PERFORMANCE |
| P0405 | EGR SENSOR CIRCUIT LOW VOLTAGE |
| P0420 | TWC SYSTEM LOW EFFICIENCY |
| P0440 | EVAP SYSTEM |
| P0442 | EVAP CONTROL SYSTEM (SMALL LEAK DETECTED) |
| P0446 | EVAP CANISTER VENT BLOCKED |
| P0452 | FUEL TANK PRESSURE SENSOR LOW VOLTAGE |
| P0453 | FUEL TANK PRESSURE SENSOR HIGH VOLTAGE |
| P0506 | IDLE CONTROL SYSTEM LOW RPM |
| P0507 | IDLE CONTROL SYSTEM HIGH RPM |
| P0530 | A/C REFRIGERANT PRESSURE SENSOR CIRCUIT |
| P0560 | SYSTEM VOLTAGE |
| P0601 | PCM MEMORY |
| P0602 | PCM NOT PROGRAMMED |
| P0705 | TRANSAXLE RANGE SWITCH CIRCUIT |
| P0706 | TRANSAXLE RANGE SWITCH PERFORMANCE |
| P1106 | MAP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1107 | MAP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1111 | IAT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1112 | IAT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1114 | ECT SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1115 | ECT SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1121 | TP SENSOR CIRCUIT INTERMITTENT HIGH VOLTAGE |
| P1122 | TP SENSOR CIRCUIT INTERMITTENT LOW VOLTAGE |
| P1133 | HO2S INSUFFICIENT SWITCHING SENSOR 1 |
| P1134 | HO2S TRANSITION TIME RATIO SENSOR 1 |
| P1336 | CKP SYSTEM VARIATION NOT LEARNED |
| P1351 | IGNITION CONTROL (IC) CIRCUIT OPEN |
| P1352 | BY-PASS LINE OPEN |
| P1361 | IGNITION CONTROL CIRCUIT NOT TOGGLING |
| P1362 | BY-PASS CIRCUIT SHORTED |
| P1374 | 3X REFERENCE CIRCUIT |
| P1380 | EBCM DTC DETECTED ROUGH ROAD DATA UNUSABLE |
| P1381 | MISFIRE DETECTED NO EBCM/PCM SERIAL DATA |
| P1404 | EGR VALVE PINTLE STUCK OPEN |
| P1441 | EVAP SYSTEM FLOW DURING NON-PURGE |
| P1483 | ENGINE COOLING SYSTEM PERFORMANCE |
| P1554 | CRUISE CONTROL STATUS CIRCUIT |
| P1602 | EBCM/EBTCM SERIAL DATA CIRCUIT |
| P1605 | HVAC SERIAL DATA CIRCUIT (CENTURY ONLY) |
| P1610 | STANDARD BODY MODULE SERIAL DATA CIRCUIT |
| P1626 | THEFT DETERRENT SYSTEM FUEL ENABLE CIRCUIT |
| P1630 | THEFT DETERRENT SYSTEM PCM IN LEARN MODE |
| P1631 | THEFT DETERRENT SYSTEM PASSWORD INCORRECT |
| P1635 | 5-VOLT REFERENCE "A" CIRCUIT |
| P1639 | 5-VOLT REFERENCE "B" CIRCUIT |
| P1641 | A/C RELAY CONTROL CIRCUIT |
| P1642 | CHANGE OIL LIGHT CONTROL CIRCUIT |
| P1651 | FAN 1 RELAY CONTROL CIRCUIT |
| P1652 | FAN 2 RELAY CONTROL CIRCUIT |
| P1653 | FUEL LEVEL OUTPUT CONTROL |
| P1662 | CRUISE CONTROL INHIBIT CIRCUIT |
| P1663 | GENERATOR LIGHT CONTROL CIRCUIT |
| P1665 | EVAP VENT SOLENOID CONTROL CIRCUIT |
| P1671 | MIL CONTROL CIRCUIT |
| P1676 | EVAP PURGE VALVE CONTROL CIRCUIT |