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Home >> Volvo >> 2003 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Transmission - Specifications, Other >> Vehicle Communication Information, Transmission Control Module (TCM) (B8444S, TF-80SC AWD; 2006-2011) >> Description Of Extended Diagnostic Trouble Code (DTC) Information >> Description Of Frozen Values >> Speed Signal From The Brake Control Module (BCM)
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Speed Signal From The Brake Control Module (BCM)

The value displays the vehicle speed. The transmission control module (TCM) obtains the value from the brake control module (BCM) via the controller area network (CAN).

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