Retrieving Diagnostic Trouble Codes
Access Data Link Connector (DLC), under left side of instrument panel. Connect and operate TECH 2 scan tool in accordance with manufacturer's instructions. Turn ignition on. Following scan tool manufacturer's instructions, retrieve all system DTCs stored in memory. A malfunction in one system can often be caused by a fault in another system. See DIAGNOSTIC TROUBLE CODES (DTC) - TRIONIC T-5 ENGINE MANAGEMENT SYSTEM table for DTCs pertaining to engine management system.
DIAGNOSTIC TROUBLE CODES (DTC) - TRIONIC T-5 ENGINE MANAGEMENT SYSTEM
| DTC | Malfunction Indicated |
|---|---|
| P0106 | MAP Sensor Circuit Performance Problem |
| P0107 | MAP Sensor Circuit Performance Problem |
| P0108 | MAP Sensor Circuit Performance Problem |
| P0112 | IAT Sensor Circuit Performance Problem |
| P0113 | IAT Sensor Circuit Performance Problem |
| P0117 | ECT Sensor Circuit Malfunction |
| P0118 | ECT Sensor Circuit Malfunction |
| P0121 | TP Sensor Circuit Malfunction |
| P0122 | TP Sensor Circuit Malfunction |
| P0123 | TP Sensor Circuit Malfunction |
| P0125 | ECT Sensor Circuit Malfunction |
| P0131 | HO2S-1 Sensor Circuit Problem |
| P0132 | HO2S-1 Sensor Circuit Problem |
| P0133 | HO2S-1 Sensor Circuit Problem |
| P0135 | HO2S-1 Preheating |
| P0138 | HO2S-2 Sensor Circuit Problem |
| P0140 | HO2S-2 Sensor Circuit Problem |
| P0141 | HO2S-2 Preheating |
| P0171 | Adaptation Incorrect |
| P0172 | Adaptation Incorrect |
| 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 |
| P0327 | Knock Signal From IDM Missing |
| P0335 | CKP Sensor Circuit Malfunction |
| P0340 | CMP Sensor Circuit Malfunction |
| P0420 | Three-Way Catalyst Malfunction |
| P0441 | Evap Purge Valve Performance Problem |
| P0442 | EVAP System Small Leak Detected |
| P0444 | EVAP Purge Valve Circuit Malfunction |
| P0445 | EVAP Purge Valve Circuit Malfunction |
| P0451 | FTP Sensor Circuit Input Faulty |
| P0452 | FTP Sensor Circuit Input Faulty |
| P0453 | FTP Sensor Circuit Input Faulty |
| P0455 | EVAP Purge System Large Leak |
| P0501 | Vehicle Speed Signal Malfunction |
| P0502 | Vehicle Speed Signal Malfunction |
| P0506 | Idle Speed Control Malfunction |
| P0507 | Idle Speed Control Malfunction |
| P0605 | Internal Control Module Malfunction |
| P1171 | Closed Loop Malfunction |
| P1172 | Closed Loop Malfunction |
| P1416 | Fuel Tank Level Low |
| P1549 | Boost Pressure Control |
| P1576 | Brake Light Circuit Malfunction |
| P1577 | Brake Light Circuit Malfunction |
| P1611 | CHECK ENGINE Request; Short To Ground |
| P1640 | Vehicle Security System; No Code From VSS/TWICE |
| P1641 | Vehicle Security System; Incorrect Code From VSS/TWICE |