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Home >> Volvo >> 2007 >> V50 Base, 2.4 39 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 9 >> ECM-500C: Engine Speed (Rpm) Sensor Signal. Signal Too High (B5254T3; 2005-2007) >> Signal Too High / Signal Too Low >> Checking Components
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Checking Components

Check that the engine speed (RPM) sensor is correctly installed.

Check the engine speed (RPM) sensor. Check that it is not damaged or dirty.

HINT: The diagnostic trouble code (DTC) can be caused by damage in the flywheel / carrier plate. Look for damage to the flywheel / carrier plate. 

Other information 

Fig 1: Detecting The Reference Positions Of The Camshaft
GLL139681Courtesy of VOLVO CARS CORPORATION