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DTC P1260

BHE010201200W01

DTC P1260 | Immobilizer system problem
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DETECTION CONDITION | • The keyless unit 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 available. • The DTC is not stored in the PCM memory.
POSSIBLE CAUSE | • Immobilizer system malfunction • PCM malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has FREEZE FRAME DATA been recorded? | Yes | Go to the next step.
No | Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 | VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related service 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.
No | Go to the next step.
3 | VERIFY STORED DTC IN KEYLESS UNIT • Turn the ignition switch to the ON position (Engine off). • Verify stored DTCs in keyless unit. (See DTC INSPECTION (IMMOBILIZER SYSTEM).) • Are DTCs stored? | Yes | Go to the appropriate DTC inspection. (See DTC TABLE (IMMOBILIZER SYSTEM).)
No | Go to the next step.
4 | VERIFY TROUBLESHOOTING OF DTC P1260 COMPLETED • Make sure to reconnect all disconnected connectors. • Clear the DTC from the PCM memory using the WDS or equivalent. • Start the engine. • Is the same DTC present? | Yes | Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION.)
No | Go to the next step.
5 | VERIFY AFTER REPAIR PROCEDURE • Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE.) • Are any DTCs present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE.)
No | DTC troubleshooting completed.