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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 11 Of 11 >> ECM-929C: Engine Control Module (ECM). Signal Too High (B5254T2; B6294S2; B6294T; 2005-2006) >> Signal too high >> Checks >> Programming the engine control module (ECM)
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Programming the engine control module (ECM)

HINT: This diagnostic trouble code (DTC) may be caused by faulty software. 

Fig 1: Identifying Ignition OFF
GLL101045Courtesy of VOLVO CARS OF NORTH AMERICA.