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Home >> Volvo >> 2008 >> S80 Base >> Repair and Diagnosis (Single Page) >> Body & Frame >> Towing Systems >> Trailer Module (TRM) - Specifications, Other >> Trailer Module (TRM) - Vehicle Communication Information >> Description Of Parameters >> Parameters, Status >> Notes

Parameters, Status: Notes

NOTE:

When reading off signals activated by the trailer module (TRM), there should not be any trailer connectors plugged into the socket of the vehicle's tow hitch. The trailer connector may only be plugged into the socket if the cable harness and its connectors are checked and fault-free.

The socket for the tow hitch connector is available in several variants with different numbers of poles. The output signals for back-up (reversing) lamps, fog lamps and charging (+12 V) is market dependent.