Lost Communication with Door Control Module Front Driver
The body controller has lost the front driver door module. Power window, mirror, lock and door light functions on this door stop working.
Affected components
- Door control module
- Door harness
Common causes
- High likelihood: Door harness broken in hinge
- Medium likelihood: Door module failed
- 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.