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Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (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)

Engine speed (RPM)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

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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