DTC B00A0-81, B00A0-87 Or B00A-8F: Seat Weight Sensor Control Module (Airbag) (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 B00A0:81 (AIRBAG) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
B00A0:81: Seat weight sensor control module invalid serial data received
B00A0:87: No signal received from seat weight sensor control module
B00A0:8F: Seat weight sensor control module communication error |
| Detection condition |
WARNING:
- Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.
B00A0:81:
- The SAS control module receives error data from the seat weight sensor control module.
B00A0:87:
- The SAS control module detects that the signal for communication between it and the seat weight sensor control module was not received or there is an open circuit in the communication circuit for 2s.
B00A0:8F:
- The SAS control module detects a short to ground in the communication circuit with the seat weight sensor control module for 2 s.
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| Fail-safe |
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| Possible cause |
- Seat weight sensor control module connector malfunction
- Open circuit in seat weight sensor control module signal circuit
- Short circuit to body ground in seat weight sensor control module signal circuit
- Seat weight sensor control module malfunction
- SAS control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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