SECURITY LIGHT: 13, DTC: B10D7:05/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]


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DTC

Security light flashing pattern

13

Key ID number error

M-MDS display

Instrument cluster

B10D7:05

PCM

P1260:00

DETECTION CONDITION
•  Instrument cluster detects the key ID number programming failure.
POSSIBLE CAUSE
•  Key ID number error
―  Failure during programming the key ID number
•  PCM malfunction
•  Instrument cluster malfunction
•  
Note
•  If any of the following items are touching or near key head, signal communication between key and vehicle is negatively affected, resulting in engine not starting:
―  Spare keys
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―  Keys for other vehicles equipped with an immobilizer system
―  Any metallic object
―  Any electronic device, or any credit or other card with magnetic strips

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY KEY MALFUNCTION
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Program an additional key referring to the immobilizer system-related parts programming, then go to the next step.
No
Go to Step 4.
2
VERIFY PCM MALFUNCTION
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to Step 4.
3
VERIFY TROUBLESHOOTING COMPLETED
•  Perform the immobilizer system DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the instrument cluster, then go to the next step.
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.