Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 11 Of 11 >> ECM-U041886: Invalid Data Received From Brake Control Module. Bus Signal / Message Failures. Signal Invalid (B6324S4; 2011-2012) >> Troubleshooting Information