Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information CEM-8A20
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 high.
The diagnostic trouble code (DTC) can be diagnosed when the ignition has been on for more than 40 seconds.
Substitute value
- None.
Possible source
- Short-circuit to ground in the low beam signal cable.
Fault symptom[s]
- Low beam does not work.