why will the transmission not shift into high gears

Asked by Feb 16, 2015 at 01:51 AM about the GMC Sierra 1500

Question type: Maintenance & Repair

automatic transmission will not shift into third or forth gear, run fine first, second and reverse.

2 Answers

2,505

Do you have a service light on? How is the Fluid condition? Is it burnt or have any metal filings in it?

4 of 4 people found this helpful.

Dash light on, fluid ok, no smell, fluid registers on dip stock slightly above hash marks cold. Thanks

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