Security Light: 21, DTC: B10D8:00/P1260:00 [Immobilizer System (Advanced Keyless Entry And Push Button Start System)]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
B10D8:00/P1260:00 REFERENCE
| DTC |
Security light flashing pattern |
21 |
Only one key or no key has been programmed |
| M-MDS display |
Keyless control module |
B10D8:00 |
| PCM |
P1260:00 |
| POSSIBLE CAUSE |
- Shortage of the number of programmed key
- PCM malfunction
- Keyless control module malfunction
|