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