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Home >> Volvo >> 2010 >> C30 R-Design, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Transmission Control Module (TCM) - Vehicle Communication Information) >> Vehicle Communication Information, Transmission Control Module (TCM) >> Description Of Reading Off Extended Diagnostic Trouble Code (DTC) Information >> Description Of Frozen Values >> Engine Speed (Rpm)

Engine Speed (Rpm)

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The engine control module (ECM) transmits the engine speed (RPM) on the Control area network (CAN). The transmission control module (TCM) retrieves the signal from the controller area network (CAN) and compares with its own speed sensor signal.

The value indicates the engine speed (RPM).