SECURITY LIGHT: 13, WDS OR EQUIVALENT: B2431

id0902a5003200

Detection Condition

• Key ID number program error

Possible Cause

• Errors during key ID number program procedure

• Communication error

- If any of the following items are touching or near the key head, the ignition key cannot communicate with the vehicle properly and the engine cannot be started.
• Any metallic object
• Spare keys or ones for other vehicles equipped with an immobilizer system
• Any electronic device, or credit or other cards with magnetic strips

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
Verify the DTC using the WDS or equivalent.
• Is DTC B2431 displayed?
Yes
Go to Step 3.
No
Go to the next step.
2
Verify the DTC using the WDS or equivalent.
• Is DTC B1600 displayed?
Yes
Perform "SECURITY LIGHT: 13, WDS OR EQUIVALENT: B1600."
No
Go to the next step.
3
Inspect the PCM.
• Using the WDS or equivalent, clear the key ID number and re-program it.
• Using the programmed key, turn the ignition switch to the ON position.
• Verify the DTC using the WDS or equivalent.
- Is DTC B2431 displayed again?
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC inspection completed.