DTC P1260 [13B-MSP]

DTC REFERENCE CHART

DTC P1260	Immobilizer system problem
DETECTION CONDITION	Vehicle with advanced keyless and start system: The keyless control module detects an immobilizer system malfunction. Vehicle with keyless entry system: The instrument cluster detects an immobilizer system malfunction. Diagnostic support note This is a continuous monitor (other.) The MIL does not illuminate. FREEZE FRAME DATA is not available. The DTC is not stored in the PCM memory.
POSSIBLE CAUSE	Immobilizer system malfunction PCM malfunction

DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
1		No	Go to the next step.
2	VERIFY STORED DTC FOR IMMOBILIZER SYSTEM Turn the ignition switch to the ON position (engine off.) Verify stored DTCs. (See DTC INSPECTION (IMMOBILIZER SYSTEM) [IMMOBILIZER SYSTEM] .) Are DTCs stored?	Yes	Go to the appropriate DTC inspection. (See DTC TABLE (IMMOBILIZER SYSTEM) [IMMOBILIZER SYSTEM] .)
2		No	Go to the next step.
3	VERIFY TROUBLESHOOTING OF DTC P1260 COMPLETED Clear the DTC from the PCM memory using the M-MDS. Start the engine. Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [13B-MSP] .)
3		No	Go to the next step.
4	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [13B-MSP] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [13B-MSP] .)
4		No	DTC troubleshooting completed.