Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 6 Of 11 >> ECM-P052548: Cruise Control Servo Control Circuit Range/Performance. System Internal Failures. Supervision Software Failure (B6324S4; 2011-2012) >> Fault Tracing