About every 2-3 months I get a check engine light with codes PO 750,755,760,765. Shift solenoids A,B,C,D malfunction. Trans seems fine with no problems. I do have a hypertech uner on it with the shift firmness turned up 75% or so. Anyone have issues like this?? Thanks fellas!
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04' Yukon 5.3 throwing trans codes every few months..need some input.
- Thread starter BKDespain
- Start date