Home >> Volvo >> 2013 >> XC90 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 4 Of 13 >> ECM-3410: Knock Sensor (KS) Front. Signal Too Low. Permanent Fault (B5254T2; B6294T; 2003-2004) >> Signal Too Low. Permanent Fault