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Home >> Volvo >> 2008 >> XC90 V8 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM, And AUU - Diagnostic Trouble Codes >> CEM-1A25: Relay Ext X2-Power Supply. Signal Too Low. Permanent Fault (4T65 AWD; Aw50/51 AWD; Aw55-50/51SN; 2003-2004) >> Signal Too Low. Permanent Fault >> Verification >> Verification

Signal Too Low. 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 CORPORATION

Did the relay click?