SECURITY LIGHT: 14, DTC: B10D7:81/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]SM2445837
SECURITY LIGHT: 14, DTC: B10D7:81/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5356600

DTC

Security light flashing pattern

14

The instrument cluster cannot read key ID number data normally

M-MDS display

Instrument cluster

B10D7:81

PCM

P1260:00
DETECTION CONDITION
• The instrument cluster cannot read key ID number data normally.
POSSIBLE CAUSE
• Transponder (key) malfunction
• Any of the following items are touching or near the key head
― 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 cards with magnetic strips
• Coil antenna malfunction
• Instrument cluster malfunction


Diagnostic Procedure

STEP

INSPECTION

ACTION
1
VERIFY WHETHER KEY IS VALID OR NOT
• Using another registered key, turn the ignition switch to the ON position.
• If there is not another registered key, register an additional key using the M-MDS and turn the ignition key to the ON position using the registered key. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
• Is the DTC displayed again?
― Security light: 14
― M-MDS: B10D7:81/P1260:00
Yes
Replace the coil antenna, then go to the next step.
(See COIL ANTENNA REMOVAL/INSTALLATION.)
No
• Dispose of the malfunctioning key.
• Register a new key if necessary. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
2
INSPECT INSTRUMENT CLUSTER
• Using another registered key, turn the ignition switch to the ON position.
• Is the DTC displayed again?
― Security light: 14
― M-MDS: B10D7:81/P1260:00
Yes
Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
No
DTC troubleshooting completed.