DTC P1260:00 [L5]SM2444283
DTC P1260:00 [L5]

id0102c9856800

DTC P1260:00

Immobilizer system problem
DETECTION CONDITION
• The instrument cluster detects an immobilizer system malfunction. (Vehicles without advanced keyless entry and start system)
• The keyless control module detects an immobilizer system malfunction. (Vehicles with advanced keyless entry and start system)
Diagnostic support note
• This is a continuous monitor (other).
• The MIL does not illuminate.
• FREEZE FRAME DATA (Mode 2)/Snapshot 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 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.
2
CONFIRM IMMOBILIZER SYSTEM DTC
• Perform the immobilizer system DTC inspection using the M-MDS. (See DTC INSPECTION [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) (See DTC INSPECTION [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)
(See DTC TABLE [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)].)
No
Go to the next step.
3
VERIFY DTC TROUBLESHOOTING COMPLETED
• Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE [L5].)
• Perform the KOEO self test. (See KOEO/KOER SELF TEST [L5].)
• Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [L5].)
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [L5].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [L5].)
No
DTC troubleshooting completed.