OBD-II code · Network
U0217 Lost Communication with Door Control Module Rear Driver
The body controller has lost the rear driver door module. Window, lock and child-lock functions on this door stop responding.
Is it safe to drive with U0217?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyDoor harness broken in hinge
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Door Control Module, Door Harness
Related codes
- U0214Lost Communication with Remote Function Actuation
- U0215Lost Communication with Door Control Module Front Driver
- U0216Lost Communication with Door Control Module Front Passenger
- U0218Lost Communication with Door Control Module Rear Passenger
- U0219Lost Communication with Liftgate/Decklid Control Module
- U0220Lost Communication with Door Control Module D
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.