SECURITY LIGHT: 15, DTC B1601/P1260

BHE090201077W11

SECURITY LIGHT: 15

The keyless unit has detected unregistered key ID number.

DTC: B1601/P1260

DETECTION CONDITION

• The keyless unit has detected unregistered key ID number.

POSSIBLE CAUSE

• No keys have been registered after replacing the keyless unit.
• Unregistered key used
• Attempt made to register a ninth key
• Keyless unit malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY NUMBER OF REGISTERED KEYS
• Using the WDS, perform the PID/data monitor inspection and confirm the number of registered keys.
• Are one or more keys registered?
Yes
Go to the next step.
No
Go to Step 3.
2
VERIFY NUMBER OF REGISTERED KEYS
• Using the WDS, perform the PID/data monitor inspection and confirm the number of registered keys.
• Are eight keys registered?
Yes
Using the WDS, clear the key ID numbers as necessary, then go to the next step.
No
Go to the next step.
3
INSPECT KEYLESS UNIT
• Using the WDS, register the key ID number.
Note
• Two or more keys must be registered to start the engine.
• Using the registered key, turn the ignition switch to the ON position.
• Is the DTC displayed again?
– SECURITY LIGHT: 15
– WDS: B1601/P1260
Yes
Replace the keyless unit and perform procedures for when replacing the keyless unit only.
No
DTC troubleshooting completed.