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Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information HCM-2287

Condition
Headlamp Control Module (HCM) receives information about the current power supply position from Central electronic module (CEM).
The diagnostic trouble code (DTC) is stored if the control module detects that:
- An expected message from the central electronic module (CEM) indicating the power mode has not come.
- A message indicating that power mode from the central electronic module (CEM) is incorrect or invalid.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Activated control module.

Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.





Substitute value
- None.

Possible source
- Fault-trace in transmitting control module.

Fault symptom[s]
- Text window and warning symbol/Text message
- Headlights/Headlight aim is off
- Headlights/Vertical adjustment not influenced by steering wheel