SECURITY LIGHT 14, DTC B1602/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]


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SECURITY LIGHT: 14
The keyless control module cannot read key ID number data normally.
DTC: B1602/P1260
DETECTION CONDITION
•  The keyless control module cannot read key ID number data normally.
POSSIBLE CAUSE
•  Transponder (key) malfunction
•  Coil antenna 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.
•  Is the DTC displayed again?
―  Security light: 14
―  M-MDS: B1602/P1260
Yes
Replace the coil antenna, then go to the next step.
No
•  Dispose of the malfunctioning key.
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
Yes
Replace the keyless control module and perform the resetting procedure for the immobilizer system when replacing the keyless control module.
No
DTC troubleshooting completed.