SECURITY LIGHT: 14, DTC: B1602/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]SM2445821
SECURITY LIGHT: 14, DTC: B1602/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]

id09021h396400

DTC

Security light flashing pattern

14

The keyless control module cannot read key ID number data normally

M-MDS display

Keyless control module

B1602

PCM

P1260:00
DETECTION CONDITION
• The keyless control module cannot read key ID number data normally
POSSIBLE CAUSE
• Coil antenna malfunction
• Transponder (key) malfunction
• Keyless control module malfunction
• Any of the following items are touching or near the key head
― Spare keys
― Keys for other vehicles equipped with an immobilizer system
― Any metallic object
― Any electronic device, or any credit or other cards with magnetic strips


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 [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
• Is the DTC displayed again?
― Security light: 14
― M-MDS: B1602/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 [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
2
INSPECT KEYLESS CONTROL MODULE
• Using another registered key, turn the ignition switch to the ON position.
• Is the DTC displayed again?
― Security light: 14
― M-MDS: B1602/P1260:00
Yes
Replace the keyless control module and perform the resetting procedure for the immobilizer system when replacing the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No
DTC troubleshooting completed.