PCM DTC Chart
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P1260 | Theft Detected, Vehicle Immobilized | If there are any Passive Anti-Theft System (PATS) DTCs present in the Instrument Panel Cluster (IPC), ADDRESS them first. This DTC may also indicate a Controller Area Network (CAN) or parameter reset issue. Make sure to verify if there are any communication issues/DTCs with any modules. REFER to MODULE COMMUNICATIONS NETWORK . If DTC P1260 is the only DTC present, there may be a parameter reset, power or ground concern with the PCM. For the parameter reset issue, REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTEGRATED KEYHEAD TRANSMITTER (IKT) . For the PCM power and grounds issue, if necessary, CHECK the powers and grounds to the PCM. REFER to the SYSTEM WIRING DIAGRAMS to determine the PCM power and ground circuits. |
| P1602 | Immobilizer/ECM Communication Error |
NOTE:
If IPC
DTC B10DA:61 is also present, address IPC
DTC B10DA:61 first. Go To PINPOINT TEST G: DTC B10DA:86, P1602 OR U0100:00
. |
| P1622 | Immobilizer ID Does Not Match | CARRY OUT a parameter reset of the IPC and the PCM and CYCLE the ignition 3-5 times, making an attempt to start the vehicle each key cycle. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET - INTEGRATED KEYHEAD TRANSMITTER (IKT) . CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test. |
| All other DTCs | - | REFER to the INTRODUCTION - GASOLINE MODELS . |