Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information TRM-U210000

Condition
The control module continually supplies necessary information from the Central electronic module (CEM) via CAN communication.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Vehicle configuration from central electronic module (CEM) is lost.
The control module's test for the diagnostic trouble code (DTC) starts in the event of:
- Starting the control module's CAN communication.

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
- Incorrect vehicle configuration (the control module is not intended for this vehicle, for example, it is a second-hand control module with different software/hardware).

Fault symptom[s]
- Trailer lighting/Does not work