DTC P1260:00 [ZJ, ZY]


id0102c0856800

DTC P1260:00

Immobilizer system problem

DETECTION CONDITION
Without advanced keyless and start system:
•  If the instrument cluster detects a malfunction in the immobilizer system.
With advanced keyless and start system:
•  If the keyless control module detects a malfunction in the immobilizer system.
Diagnostic support note
•  This is a continuous monitor (other).
•  The MIL does not illuminate.
•  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

1
VERIFY FREEZE FRAME DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED
•  Have the FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS (other related) been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS on the repair order, then go to the next step.
2
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.
No
Go to the next step.
3
VERIFY IMMOBILIZER SYSTEM DTC
•  Turn the ignition switch to the ON position (engine off).
•  Are any DTCs present?
Yes
Go to the appropriate DTC inspection.
No
Go to the next step.
4
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine.
•  Perform the KOEO self test.
•  Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
5
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.