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Home >> Volvo >> 2007 >> V70 Base, 2.4 61, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Vehicle Communication - Specifications >> Vehicle Communication Information, Transmission Control Module (TCM) (B5254T4, TF-80SC AWD; 2006-2007) >> Description of extended diagnostic trouble code (DTC) information >> Description of frozen values >> Engine speed (RPM)
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Engine speed (RPM)

Engine Control Module (ECM) sends out the engine's rpm on the CAN-net. Transmission Control Module (TCM) retrieves the signal via the CAN-net to compare it with the own rpm sensor's signal.

The value indicates the engine speed (RPM).

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