With Seat Weight Sensor Control Module: 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 B0052:11 (BCM) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Passenger-side buckle switch circuit malfunction |
| Detection condition |
- The seat weight sensor control module control module detects a short to ground or short circuit in the passenger-side buckle switch circuit for a continuous 2 times.
Preconditions
- The passenger-side seat belt is unfastened.
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| Fail-safe |
Not applicable |
| Possible cause |
- Passenger-side buckle switch connector or terminal malfunction
- Seat weight sensor control module control module connector or terminal malfunction
- Passenger-side buckle switch malfunction
- Short to ground in passenger-side buckle switch signal circuit (upstream)
- Seat weight sensor control module control module malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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