Will not shift into overdrive

2005 CHEVROLET TRAILBLAZER
265,303 MILES • 4.2L • 6 CYL • 4WD • AUTOMATIC
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HEATHER RIDDLE
  • MEMBER
  • 1 POST
My vehicle isn't shifting into overdrive.
Sep 22, 2019 at 1:22 PM
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94 TRANSAM
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 680 POSTS
Hi Heather, welcome to 2CarPros.

Lets see if we can help you out.

First please read this guide on transmission issues. It will get you started on what you need to do. If you don't have access to a scanner that can read transmission codes just about any transmission shop can retrieve them for you.

https://www.2carpros.com/articles/automatic-transmission-problems

Let me know what you find out.

Rich
Sep 22, 2019 at 10:35 PM
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