With Telematics Communication System: Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1514:86 (BCM) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Collision signal error |
| Detection condition |
- The door-electrical supply unit (passenger's side) received error signal from telematics communication unit.
|
| Fail-safe |
Not applicable |
| Possible cause |
- DTCs are stored in the telematics communication unit.
- Telematics communication unit connector or terminal malfunction
- Door-electrical supply unit (passenger's side) connector or terminal malfunction
- Short to ground in telematics communication unit signal circuit
- Open circuit in telematics communication unit signal circuit
- Telematics communication unit malfunction
- Door-electrical supply unit (passenger's side) malfunction
- Body control module (BCM) malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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