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Home >> Volvo >> 2011 >> S40 T-5 R-Design >> Repair and Diagnosis (Single Page) >> Electrical >> Motors, Switches, Relays >> Accessory Electronic Module (AEM) And Central Electronic Module (CEM) Diagnostic Trouble Codes (544 Body) >> CEM-1A21: Engine Control Module (ECM). Signal Too Low (2004-2011) >> Signal Too Low (2004, 2005, 2006, 2007) >> Verification >> Verification
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Signal Too Low (2004, 2005, 2006, 2007): Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Connector(s) Reinstallation
GLL101069Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the function OK?