Diagnostic Trouble Code (DTC) Information CEM-8F15

Condition 

The central electronic module (CEM) checks the signal from the left-hand Xenon lamp.

The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers a fault in the left-hand Xenon bulb.

The diagnostic trouble code (DTC) can be detected with the ignition on and when switching between low and high beam.

The diagnostic trouble code (DTC) can be diagnosed at ignition switch position II.

Substitute Value 

• Shortest headlamp range will be used.

Possible Source 

• The actuator motor in the xenon lamp housing has jammed
• Damaged actuator motor in the xenon lamp housing.

Fault symptom[s] 

• The low beam is constantly lit
• The high beam is constantly lit
• The road surface is not illuminated.
• Headlights/Headlight aim is off