Home >> Volvo >> 2004 >> S60 R >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Transmission Diagnostic Trouble Codes - 2 Of 7 >> TCM-0023: Transmission Input Speed Sensor. Signal Missing. Permanent Fault (Aw55-50/51SN; 2001-2002) >> Signal missing. Permanent fault