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Home >> Volvo >> 2008 >> S40 T-5, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Central Electronic Module (CEM) Diagnostic Trouble Codes - 8 Of 10 (544 Body) >> CEM-De1A: Communication With DEM Control Module. Signal Missing (2004-2011) >> Fault-Tracing >> Checking The Connectors

Checking The Connectors

Check the cable for the power supply to the Differential Electronic Module (DEM). Check for an open-circuit. Check for a short-circuit to ground.

Check the ground cable for open circuit or short-circuiting to voltage.

Check the connectors for loose connections, damaged or bent terminal pins and oxidation.

Other information 

Was a fault detected?