Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 1 Of 12 >> CEM-1A24: Relay Ext X2-Power Supply. Signal Too High. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004) >> Signal too high. Permanent fault