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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Drivelines & Axles >> Differentials & Drive Axles >> Differential Electronic Module (DEM) - Specifications, Other >> Vehicle Communication Information, Differential Electronic Module (DEM) (2009-12) >> Description Of Parameters >> Parameters, Status >> Trailer Contact Connected

Trailer Contact Connected

The value indicates if the trailer is connected to the vehicle.

The differential electronic module (DEM) obtains the value via the control area network (CAN) from the central electronic module (CEM).

The trailer module (TRM) informs the central electronic module (CEM).

Yes = Trailer connected.

No = Trailer not connected.

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