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Some issues with shifting

Discussion in 'GM Powertrain' started by 2000liftdsuburban, Dec 6, 2010.

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  1. 2000liftdsuburban

    2000liftdsuburban New Member

    Alright so I have a 2000 suburban 5.3 and recently I noticed that my transmission felt like it was delaying with shifting. Rpms went higher than normal and It didn't shift until about 90mph into 3rd gear(I'm assuming) I figured it was my superchips tune messing up so I pulled the tune off and its still doing the same thing. I'm not sure what the issue can be, never had issues with shifting. There's 118k on motor also idk if this will help but when I got the truck I hooked up a snap on scanner to it and it said shift sensor B if I remember correctly any help at all would be great...thanks guys
  2. murdog94

    murdog94 New Member 1000 Posts 100 Posts

    If that is the code that you were given you will want to google the code and troubleshoot for that code since trannies can be rather complicated rather than a staight forward repair.
  3. 2000liftdsuburban

    2000liftdsuburban New Member

    Yeah. I have to get it back onto a snap on scanner, and re check it. Does anyone else have any input I'm really worried bout the truck due to lack of funds and winter is almost here
  4. 2000liftdsuburban

    2000liftdsuburban New Member

    Alright so in the mass confusion of me trying to figure out other issues i forgot bout the trans, upon investihations its been determined that the problem is shift sensor b malfunction, no 4th gear so does neone know how hard it is to fix this issue

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