While driving transmission stopped working

2004 CHEVROLET TRAILBLAZER
180,000 MILES • 4.2L • V6 • 4WD • AUTOMATIC
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KKLINDGREN1014
  • MEMBER
  • 1 POST
So we were driving today and with no warning we lost our transmission. The truck was in gear but would not move when we pressed the gas. We can put the truck into every gear but the transmission will not engage. We can get the truck into park to push it out of the road.
Jul 13, 2019 at 10:40 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,647 POSTS
Hello,

It sounds like the gear range sensor has gone out. To be sure lets run the codes to see what comes up. here is a guide:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
Jul 15, 2019 at 6:06 AM
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