Home >> Volvo >> 2003 >> S80 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Codes - 3 Of 5 >> TCM-0049: Control Module. Internal Fault. Permanent Fault (Aw50/51 AWD; Aw55-50/51SN; 2004-2006) >> Internal fault. Permanent fault