SECURITY LIGHT 13, DTC B2431/P1260

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SECURITY LIGHT 13, DTC B2431/P1260

B3E090201077W09

SECURITY LIGHT: 13 | Key ID number registration error
DTC: B2431/P1260
DETECTION CONDITION | • Key ID number registration error

POSSIBLE CAUSE

• Errors during key ID number registration procedure
• 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 DTC • Is B2431/P1260 displayed? | Yes | Go to Step 3.
No | Go to the next step.
2 | VERIFY DTC • Is B1600/P1260 displayed? | Yes | Perform the DTC inspection for "SECURITY LIGHT: 13, WDS or equivalent: B1600/P1260". (See SECURITY LIGHT 13, DTC B1600/P1260.)
No | Go to the next step.

3

INSPECT INSTRUMENT CLUSTER
• Using the WDS or equivalent, clear the key ID number and re-register it.
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

  Note

  • Two or more keys must be registered to start the engine.

• Using the registered key, turn the ignition switch to the ON position.
• Verify the DTC Using the WDS or equivalent.

  - Is B2431/P1260 displayed again?

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 COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

No | DTC troubleshooting completed.