DTC U0402:68 [BCM]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION AND POSSIBLE CAUSE
| DESCRIPTION |
Signal error from TCM |
| DETECTION CONDITION |
- Correct data cannot be received from TCM
|
| POSSIBLE CAUSE |
- TCM malfunction
- BCM malfunction
|