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P1742 Diagnostic Trouble Code Discussion for January 2005

TCC Solenoid Circuit - Failed On

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Trouble Ticket Help Requests for DTC P1742
Help Request Posted
1999 Subaru Legacy L 2.5L transmission code VIN: JS3BG6857X
P1742: TCM Diagnosis Signal Circuit Malfunction. ... because of a stored trouble code p1742 (transmission input signal circuit malfunction). The check engine light was not on. I cleared the code and it came back. (Engine light still not on) According to Shop Key, if the transmission is not shifting poorly a...
January 24, 2005