Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Module (ECM) Diagnostic Trouble Codes - 8 Of 11 >> ECM-P151B68 Idle Speed Control - Rpm Lower Than Expected. Algorithm Based Failures. Event Information (B8444S; 2007-2009) >> Fault-Tracing Information