DTC B12E2-11: Rear Door Lock-Link Switch (LH)/(RH) Unlock 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 B12E2:11 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Rear door lock-link switch (LH)/(RH) unlock circuit malfunction |
| Detection condition |
- The body control module (BCM) detects a short to ground in the rear door lock-link switch (LH)/(RH) unlock circuit for a continuous 2 times.
Preconditions
- The rear door lock-link switch not unlocked.
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| Fail-safe |
Not applicable |
| Possible cause |
- Rear door latch and lock actuator (LH) connector or terminal malfunction
- Rear door latch and lock actuator (RH) connector or terminal malfunction
- Rear door lock-link switch (LH) malfunction
- Rear door lock-link switch (RH) malfunction
- Body control module (BCM) connector or terminal malfunction
- Short to ground in rear door lock-link switch (LH)/(RH) unlock circuit
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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