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Home >> Volvo >> 2009 >> XC90 Base, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM) And Central Electronic Module (CEM) - Diagnostic Trouble Codes - 2 Of 2 >> CEM-8F23: Relay, Windshield Wiper. Signal Too High (2005-2014) >> Signal Too High >> Checking The Wiring

Checking The Wiring

Check the cable between windshield wiper relay base terminal #2 and central electronic module (CEM) terminal #C4. Check for a short-circuit to supply voltage.

Remedy as necessary.

Replace the fusebox if no fault is found.

Other information