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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Active On Demand Coupling (AOC) (2003-2004) >> Diagnostic functions >> Description of parameters >> Parameters, value >> Wheel speed

Wheel speed

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The value indicates wheel speed.

The Brake Control Module (BCM) transmits the speed signal on the controller area network (CAN) and the Differential Electronic Module (DEM) uses the signal to engage all-wheel drive.

Measurement range: 0 - 250 km/h.



Shows the wheel speed on all four wheels.

The brake control module (BCM) transmits the vehicle speed signal on the controller area network (CAN) and the differential electronic module (DEM) uses the signal to control four wheel drive.

Measurement range: 0 - 255 km/h.

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