DTC P1260 [L8, LF]


DTC P1260	Immobilizer system problem
DETECTION CONDITION	• The instrument cluster detects an immobilizer system malfunction. Diagnostic support note • This is a continuous monitor (Other). • The MIL does not illuminate. • PENDING CODE is available if the PCM detects the above malfunction condition. • FREEZE FRAME DATA is not available. • The DTC is stored in the PCM memory.
POSSIBLE CAUSE	• Immobilizer system malfunction • PCM malfunction


STEP	INSPECTION		ACTION
1	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
1		No	Go to the next step.
2	VERIFY STORED DTC IN INSTRUMENT CLUSTER • Turn the ignition switch to the ON position (Engine off). • Verify stored DTCs in instrument cluster. (See DTC INSPECTION [IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)].) (See DTC INSPECTION [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) • Are DTCs stored?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)].) (See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)].)
2		No	Go to the next step.
3	VERIFY TROUBLESHOOTING OF DTC P1260 COMPLETED • Make sure to reconnect all disconnected connectors. • Clear the DTC from the PCM memory using the M-MDS. • Start the engine, or perform the KOEO self-test with M-MDS. (See KOEO/KOER SELF TEST [L8, LF].) • Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L8, LF].)
3		No	Go to the next step.
4	VERIFY AFTER REPAIR PROCEDURE • Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [L8, LF].) • Is any DTC present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [L8, LF].)
4		No	DTC troubleshooting completed.