PCM DTC Chart

DTC	Description	Action
P1260	Theft Detected, Vehicle Immobilized	NOTE: This DTC usually accompanies Passive Anti-Theft System (PATS) DTCs in the Instrument Cluster (IC). If the vehicle is not equipped with PATS , this PCM DTC can indicate the parameters in the IC and the PCM need to be reset or a power or ground issue with the PCM. This PCM DTC can set in vehicles with or without PATS . Clear the DTCs. Repeat the self-test. If there are any PATS DTCs present in the IC , ADDRESS them first. This DTC can also indicate a Controller Area Network (CAN) or a parameter reset concern. MAKE SURE to verify if there are any communication concerns/DTCs with any modules. REFER to MODULE COMMUNICATIONS NETWORK . If DTC P1260 is the only DTC present, there may be a parameter reset concern or a power or ground concern with the PCM. Even if the vehicle does not have PATS , it still has parameters that may need to be reset. REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET in this section. If necessary, CHECK the powers and grounds to the PCM. REFER to the .
P1602	Immobilizer/ECM Communication Error	NOTE: If IC DTC U2510 is also present, address IPC DTC U2510 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 section. CLEAR the DTCs. CYCLE the ignition 3-5 times, making an attempt to start the vehicle each key cycle. REPEAT the selftest.
All other DTCs	-	REFER to the INTRODUCTION - GASOLINE MODELS .