Diagnostic Trouble Code (DTC) Information CEM-8A37
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 a faulty signal from the actuator motor.
This diagnostic trouble code (DTC) can be diagnosed when the ignition is on and high beam is activated.
Substitute Value
- Low beam.
Possible Source
- Open-circuit in the signal cable to the left-hand actuator motor
- Short-circuit to battery voltage in the signal cable to the left-hand actuator motor
- Short-circuit to ground in the signal cable to the left-hand actuator motor.
Fault symptom[s]
- High beam does not work.