U0518

Invalid Data Received From Door Switch C

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

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

Related codes

U0516 U0517 U0519