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Home >> Volvo >> 2004 >> V40 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 3 >> ECM-6F: Speedometer Signal. Faulty Signal. Permanent Fault (B4204T2 CVVT; 2000) >> Faulty signal. Permanent fault >> Checking terminals
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Checking terminals

Check the ABS control module and engine control module (ECM) connectors for contact resistance and oxidation according to. Contact resistance and oxidation .

Remedy as necessary.

Fig 1: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.