DTC B128A-14: Notification And Warning Speaker (Front) Circuit Malfunction (BCM): 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 B128A:14 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Notification and warning speaker (front) circuit malfunction |
| Detection condition |
- The body control module (BCM) detects an open circuit or short to ground in the notification and warning speaker (front) circuit.
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| Fail-safe |
Not applicable |
| Possible cause |
- Notification and warning speaker (front) connector or terminal malfunction
- Body control module (BCM) connector or terminal malfunction
- Open circuit in notification and warning speaker (front) signal circuit
- Short to ground in notification and warning speaker (front) signal circuit
- Notification and warning speaker (front) malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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