DTC B145D-12: Closure Motor 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 B145D:12 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Closure motor circuit malfunction |
| Detection condition |
- Power liftgate (PLG) control module detected a short to power supply in the closure motor signal circuit.
Preconditions
- Closure motor is not operating.
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| Fail-safe |
- Stops the power liftgate (PLG) system operation.
|
| Possible cause |
- Liftgate latch and lock actuator connector or terminal malfunction
- Power liftgate (PLG) control module connector or terminal malfunction
- Short to power supply in closure motor signal circuit
- Closure motor malfunction
- Power liftgate (PLG) control module malfunction
- Body control module (BCM) malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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