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Home >> Volvo >> 2007 >> V70 Base, 2.4 64 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Central Electronic Module (CEM) & Accessory Electronic Module (AEM) Diagnostic Trouble Codes >> CEM-1A21: Increased Power Supply Relay. Signal Too High. Permanent Fault (2001-2004) >> Signal too high. Permanent fault >> Replacing the CEM

Replacing the CEM

Replace the relay.

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