Will not shift into overdrive

Tiny
HEATHER RIDDLE
  • MEMBER
  • 2005 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 265,303 MILES
My vehicle isn't shifting into overdrive.
Sunday, September 22nd, 2019 AT 1:22 PM

1 Reply

Tiny
94 TRANSAM
  • MECHANIC
  • 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
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Sunday, September 22nd, 2019 AT 10:35 PM

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