DTC B126A-11: Front Door Lock-Link Switch (Driver's Side) Lock Circuit Malfunction (BCM) (Us): 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 B126A:11 (BCM) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Front door lock-link switch (driver's side) lock circuit malfunction |
| Detection condition |
- The door-electrical supply unit (driver's side) detects a short to ground in the front door lock-link switch (driver's side) lock circuit for a continuous 2 times.
Preconditions
- The front door lock-link switch (driver's side) unlocked.
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| Fail-safe |
Not applicable |
| Possible cause |
- Front door latch and lock actuator (driver's side) connector or terminal malfunction
- Front door lock-link switch (driver's side) malfunction
- Door-electrical supply unit (driver's side) connector or terminal malfunction
- Short to ground in front door lock-link switch (driver's side) lock circuit
- Door-electrical supply unit (driver's side) malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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