Home >> Volvo >> 2007 >> S40 Base, 2.4 38, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 7 Of 10 (544 Body) >> ECM-532D: Communication, Central Electronic Module (CEM). Signal Missing (B5254T3; 2004) >> Fault-Tracing Information