Control Module
Trailer module (TRM) has the task of managing the electrical connections between the vehicle and trailer.
The main task of the control module is to manage output signals to the cable harness for the tow hitch for:
- Turn signal lamps
- Brake light
- Parking lamps
- Back-up lamp
- Fog lights
- Charging (+12 V voltage).
The Trailer module (TRM) also communicates via the CAN with:
- Central electronic module (CEM)
- Driver information module (DIM)
- the Differential electronic module (DEM) (option)
- Obstacle Detection Control Module left (SODL) (4/126) (For V40 (13-))
- Obstacle Detection Control Module right (SODR) (4/127) (For V40 (13-))
- Parking Assistance Camera (PAC) (option)
- the Parking Assistance Module (PAM) (option).
- Engine control module (ECM)
- Brake control module (BCM)