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Home >> Volvo >> 2021 >> XC40 T5 R-Design >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Recovery And Towing Unit - Design >> Trailer Module >> Trailer Module (TRM) (4/110) [2018-2022] >> Diagnostic Information

Diagnostic Information

The Trailer Module (TRM) has a built-in diagnostic system, which continuously monitors itself and the input and output signals.

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