Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information CEM-8A31
Condition
The central electronic module (CEM) communicates with the left-hand gas discharge lamp module (GDL).
The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) receives information from the left-hand gas discharge lamp module (GDL), which registers that the supply voltage is too high.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.
Substitute value
- None.
Possible source
- The supply voltage to the left-hand gas discharge lamp module (GDL) is too high.
Fault symptom[s]
- Low beam does not work.