PCM DTCs

PCM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

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 - WITHOUT INTELLIGENT ACCESS (IA) . For the PCM power and grounds issue, if necessary, CHECK the powers and grounds to the PCM. REFER to the Wiring Diagrams Information 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 .
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 - WITHOUT INTELLIGENT ACCESS (IA) . CLEAR the DTCs. CYCLE the ignition. REPEAT the self-test.
All other DTCs	-	REFER to the INTRODUCTION - GASOLINE MODELS .