SECURITY LIGHT 13, DTC B2431/P1260

id0902e5800900

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, M-MDS: B1600/P1260".
No
Go to the next step.
3
INSPECT INSTRUMENT CLUSTER
• Using the M-MDS, clear the key ID number and re-register it.
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 M-MDS.
- Is B2431/P1260 displayed again?
Yes
Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster.
No
DTC troubleshooting completed.