Lost Communication with Left Side Obstacle Detection Control Module
The driver assistance system has lost the left-side obstacle detection / blind spot monitor controller. The blind-spot warning light and lane-change warning are deactivated.
Affected components
- Blind spot module left
- Can bus wiring
Common causes
- High likelihood: Blind spot module unpowered
- Medium likelihood: Bumper damage broke wiring
- Low likelihood: Gateway module routing CAN messages incorrectly
Possible symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.