OBD Guide

U0218

Lost Communication With Door Switch D

U0218 is an OBD-II diagnostic trouble code meaning: Lost Communication With Door Switch D. Common causes: door switch fault d, open or short circuit in the circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Interior lighting does not work when door D is opened
  • Door D status is not displayed on the instrument panel
  • Problems with the central locking
  • False alarms

Causes

  • Door switch fault D
  • Open or short circuit in the circuit
  • Poor contact in the switch connector
  • Problems with the control unit

How to Fix

  1. Check the serviceability of the door switch D
  2. Inspect the wiring harness and connectors for damage.
  3. Check continuity with a multimeter
  4. Scan the control unit for other errors
  5. If necessary, replace the switch or repair the wiring

Related codes

Error U0218 by Vehicle Brand

FAQ

What does the U0218 code mean?

U0218 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Door Switch D

What causes a U0218 error code?

The most common causes of U0218 include: Door switch fault D; Open or short circuit in the circuit; Poor contact in the switch connector; Problems with the control unit.

How do I fix a U0218 diagnostic trouble code?

To fix U0218: Check the serviceability of the door switch D. Inspect the wiring harness and connectors for damage.. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0218?

Yes, but get it checked soon

How much does it cost to fix U0218?

The estimated repair cost for U0218 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat