Replacing A Component

Fig 1: Identifying Ignition In Off Position

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Microphone Connectors

Courtesy of VOLVO CARS CORPORATION

Ignition off.
Cut off voltage feed to Trailer module (TRM) by removing the battery's minus cable.
The control module has registered an internal fault.
- Replace trailer module (TRM).
Other information
- see TRAILER MODULE (TRM)