Security Light 13, DTC B2431/P1260 [Immobilizer System (Keyless Entry System)]: Notes
WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
SECURITY LIGHT 13, DTC B2431/P1260 DETECTION CONDITION AND POSSIBLE CAUSES
| 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 EXAMPLES: METAL RING LYING ON KEY HEAD METAL PART OF ANOTHER KEY TOUCHING KEY HEAD KEY IS NEAR OR TOUCHING ANOTHER IMMOBILIZER SYSTEM KEY
 Courtesy of MAZDA MOTORS CORP.
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