Vehicle does not move in reverse gear?

2003 GMC ENVOY
1,998 MILES • 4.2L • 6 CYL • 4WD • AUTOMATIC
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KIDRA
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  • 1 POST
Truck shift to all gears, but doesn't move in reverse.
Sep 20, 2022 at 2:37 PM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,354 POSTS
When you put the transmission in reverse does the indicator light up? If not, the gear range sensor has gone bad. Here is how to replace it. Also, I have included a guide that may help as well.

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

Check out the images (below). Please let us know what happens.
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Sep 21, 2022 at 5:11 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.