Home >> Volvo >> 2013 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Brake Control Module (BCM) Diagnostic Trouble Codes - 2 Of 3 >> BCM-A031: Communication Between Control Modules. Steering Angle Sensor. Tolerance Check Not Run (B5254T2; 2005-2007) >> Plausibility Check Not Run