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Home >> Volvo >> 2009 >> C30 R-Design, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM) Diagnostic Trouble Codes - 7 Of 9 >> CEM-De1A: Communication With DEM Control Module. Signal Missing (2007-2013) >> 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?