Home >> Volvo >> 2012 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Codes - 8 Of 9 >> TCM-P086087: Transmission Control Module A Communication Circuit. Bus/Message Error. Message Missing (TF-80SC AWD; 2005) >> Fault Tracing TCM-P086087