UEM-0033

Condition
If the control unit detects that the rear right reading lamp is on when the front right reading lamp is off, a faulty control signal from the lamp circuit displays the diagnostic trouble code.

Condition
- The lamp goes of.

Possible source
- Open circuit in signal wire for rear right reading lamp
- Short circuit to voltage supply on signal wire for rear right reading lamp.

Condition
- Courtesy lighting does not work.