DTC B00A0-09: Seat Weight Sensor Control Module Signal Output Unstable (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 B00A0:09 (AIRBAG) (US) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Seat weight sensor control module signal output unstable |
| 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.
- The SAS control module receives any of the following signals from the seat weight sensor control module.
- Seat weight sensor control module internal malfunction
- Occupant seat status signal does not have same value (unstable) continuously for specified number of times
- Front buckle switch (passenger side) status signal does not have same value (unstable) continuously for specified number of times
|
| Fail-safe |
|
| Possible cause |
- Seat weight sensor malfunction
- Communication error between seat weight sensor control module and SAS control module
- Seat weight sensor control module malfunction
- SAS control module malfunction
|
| System wiring diagram |
|
| Connector diagram |
|