Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information TRM-E010

Condition
The trailer module (TRM) compares the battery voltage to the trailer module (TRM) with the battery voltage to the central electronic module (CEM).
The diagnostic trouble code (DTC) is stored if the battery voltage to the central electronic module (CEM) is significantly higher than the battery voltage to the trailer module (TRM).
The diagnostic trouble code (DTC) can be diagnosed in ignition positions 0, I, II and III.

Substitute value
- None.

Possible source
- The battery voltage to the central electronic module (CEM) is more than 2 V higher than the battery voltage to the trailer module (TRM).

Fault symptom[s]
- The information lamp is lit
- Message in the display.