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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM) & Central Electronic Module (CEM) Diagnostic Trouble Codes (XC) >> CEM-1A23: Increased Power Supply Relay. No Signal. Permanent Fault (2001-2004) >> Signal missing. Permanent fault >> Verification >> Verification

Signal missing. Permanent fault: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS OF NORTH AMERICA.

Did the relay click?