Error code

OBD2 U0216

OBD2U0216
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Lost Communication With 'Door Switch B'.

Severity

moderateCan continue driving but may experience inconvenience with door-related functions.

Summary

U0216 indicates that there is no communication between the car's data bus and door contact switch B, which monitors the status of a specific door.

Common Causes

  • Faulty door contact switch B
  • Data bus wiring issues or damage

Fixes

  • Replace the faulty door contact switch B.

FAQ

What does U0216 mean?

U0216 means there is a communication issue between the car's data bus and the door contact switch B.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.