aaabha Posted June 8, 2010 Share Posted June 8, 2010 My '99 Legacy GT SUS has had this problem for about a year now that has only happened 2-3 times where I start it, it idles extremely low, is difficult to shift into drive and then doesn't seem to be getting any power & check engine light is on. Start it 2-3 times, does same thing. But let it sit for about 20 minutes and start it up, check engine light is still on but runs fine w/ no issues. Next time starts up fine & no check engine light. Well, I finally was able to get a code off of the diagnostics: P1722 Auto Trans Diagnosis Input Signal High Input. Has anyone gotten this code before and what did you have to do to fix it? Thanks! .... Link to comment Share on other sites More sharing options...
Bassnectar Posted June 8, 2010 Share Posted June 8, 2010 do a tranny flush!!!! or check the fluid it could be low Link to comment Share on other sites More sharing options...
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