Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information CEM-8A12

Condition




The central electronic module (CEM) powers the left-hand low beam directly via an output. The diagnostic trouble code (DTC) is stored if the central electronic module (CEM) registers that the power consumption for the output is too low.
The diagnostic trouble code (DTC) can be diagnosed once the dipped beam has been on for a minute.

Substitute value
- None.

Possible source
- Low beam defective or missing
- Open circuit in signal lead to left dipped lamp.
- Short-circuit to supply voltage in the signal cable.F.

Fault symptom[s]
- Low beam does not work
- The low beam is constantly lit.