OBD Guide

U0518

Invalid Data Received From Door Switch C

U0518 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Switch C. Common causes: door switch fault c, open or short circuit in the switch circuit. Estimated repair cost: $6–33.

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

Symptoms

  • Incorrect operation of interior lighting
  • Problems with the central locking
  • False alarms
  • Errors on the dashboard display

Causes

  • Door switch fault C
  • Open or short circuit in the switch circuit
  • Poor contact in connectors
  • Control unit software error

How to Fix

  1. Check the condition of door switch C
  2. Check the integrity of the circuit and connectors
  3. Clean contacts from oxides
  4. Flash or replace the control unit if necessary

Related codes

Error U0518 by Vehicle Brand

FAQ

What does the U0518 code mean?

U0518 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Switch C

What causes a U0518 error code?

The most common causes of U0518 include: Door switch fault C; Open or short circuit in the switch circuit; Poor contact in connectors; Control unit software error.

How do I fix a U0518 diagnostic trouble code?

To fix U0518: Check the condition of door switch C. Check the integrity of the circuit and connectors. Clean contacts from oxides. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0518?

Yes, but get it checked soon

How much does it cost to fix U0518?

The estimated repair cost for U0518 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat