OBD-II code · Network

U0216 Lost Communication with Door Control Module Front Passenger

The body controller has lost the front passenger door module. Window, lock, mirror and door light functions on this door stop responding.

Is it safe to drive with U0216?

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

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.