DTC U0028-87; Communication Error With Rear Body Control Module (RBCM): Notes
WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Communication error with rear body control module (RBCM) |
| Detection condition |
- Start stop unit detects the communication error with rear body control module (RBCM) 10 times continuously.
|
| Fail-safe |
- Performs control with the driver's side door and liftgate open.
|
| Possible cause |
- Rear body control module (RBCM) connector or terminal malfunction
- Start stop unit connector or terminal malfunction
- Short to ground in wiring harness between start stop unit terminal 1Q and rear body control module (RBCM) terminal 3B
- Open circuit in wiring harness between start stop unit terminal 1Q and rear body control module (RBCM) terminal 3B
- Rear body control module (RBCM) malfunction
- Start stop unit malfunction
|
|
|