Passive Anti-Theft System (Pats): Pcm
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. Be sure to verify if there are any communication issues/DTCs with any modules. REFER to MODULE COMMUNICATIONS NETWORK article. If DTC P1260 is the only DTC present, there may be a parameter reset, power or ground concern with the PCM. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET in this service information. If necessary, CHECK the powers and grounds to the PCM. REFER to the SYSTEM WIRING DIAGRAMS service information SYSTEM WIRING DIAGRAMS service information to determine the PCM power and ground circuits. |
| P1602 | Immobilizer/ ECM Communication Error |
NOTE:
If IPC
DTC B10DA:61 is also present, address DTC B10DA:61 first. GO to PINPOINT TEST G
. |
| P1622 | Immobilizer ID Does Not Match | CARRY OUT a parameter reset. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET in this service information. CLEAR the DTCs. CYCLE the ignition 3-5 times, making an attempt to start the vehicle each key cycle. REPEAT the self-test. |
| All other DTCs | - | REFER to the INTRODUCTION article. |