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  1. S

    LB7: Help please

    Changed the output speed sensor yesterday. All issues resolved, I guess the clunk I heard when putting it into drive from park was the linkage throwing it into 3rd? Speedo's working, all warning lights off, back to how it was. Thank y'all for your help.
  2. S

    LB7: Help please

    thanks, ill do that. Everything ive replaced except for the speed sensors were for the regular reasons, spewing trans fluid from a cracked transfer case housing, shift range inhibited which was fixed by changing the NSBU and then not going into gear which was fixed by replacing the PSM. All and...
  3. S

    LB7: Help please

    Driver side speed sensor replaced today and passenger side speed sensor and wheel hub assembly replaced less than a year ago. I have an OBDII but idk if it'll read that specific, I read it earlier but i dont remember if it said which one specifically
  4. S

    LB7: Help please

    according to the hypertech the DTCs are: C0055 C0201 P0500 P0700 P0721 P0776 Thanks again for the help
  5. S

    LB7: Help please

    This is my first post on this forum however I have gotten a lot of good info before with some previous issue's ive had. I have a 2003 2500HD LB7 4x4 ccsb. Yesterday I was taking off down the road not putting my foot in it but just a little to get to speed. At about 40-45 mph there was a buck as...
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