Home >> Volvo >> 2012 >> C70 >> Repair and Diagnosis (Single Page) >> Electrical >> Motors, Switches, Relays >> Central Electronic Module (CEM) Diagnostic Trouble Codes - 8 Of 9 >> CEM-De11: Communication With ECM Control Module. Signal Missing (B5244S4; B5254T3; 2006-2007) >> Signal Missing >> Connecting The Breakout Box >> Control Module Connection