SECURITY LIGHT: 14, DTC B1602/P1260


BHE090201077W10

SECURITY LIGHT: 14

The keyless unit cannot read key ID number data normally.

DTC: B1602/P1260

DETECTION CONDITION

• The keyless unit cannot read key ID number data normally.

POSSIBLE CAUSE

• Transponder (key) malfunction
• Coil malfunction
• Keyless unit 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 WDS and turn the ignition key to the ON position using the registered key.
• Is the DTC displayed again?
– SECURITY LIGHT: 14
– WDS: B1602/P1260
Yes
Replace the coil, then go to the next step.
No
• Dispose of the malfunctioning key.
• Register a new key if necessary.
2
INSPECT KEYLESS UNIT
• Using another registered key, turn the ignition switch to the ON position.
• Is the DTC displayed again?
– SECURITY LIGHT: 14
– WDS: B1602/P1260
Yes
Replace the keyless unit and perform procedures for when replacing the keyless unit only.
No
DTC troubleshooting completed.