Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code information

Condition
The DTC is stored if the control module registers a faulty control signal from the lamp circuit when the front left reading lamp is off, at the same time the rear left reading lamp is lit.

Note! The DTC is stored if connector A to control unit roof lamp does not make contact correctly. DTC UEM-0037 and UEM-0039 are usually then also stored.

Substitute value
- The lamp goes off.

Possible source
- Faulty bulb.
- Open circuit in signal wire for front left reading lamp.
- Short circuit to voltage supply on signal wire for front left reading lamp.

Fault symptom[s]
- Passenger compartment lighting/Does not work