Home >> Volvo >> 2007 >> S40 Base, 2.4 38, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 10 (544 Body) >> ECM-1000: Engine Control Module (ECM). Signal Too High / Signal Too Low (B5244S7; 2005-2010) >> Signal Too High / Signal Too Low