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Why is my Silverado HD transmission not shifting?

Why is my Silverado HD transmission not shifting?

At 375 miles, I pulled out onto a 3 lane road an went to give it the throttle and the truck jerked an bucked and wouldn’t go. It limped home at about 35-40 mph because the transmission wouldn’t shift. I got an email from OnStar to have it serviced immediately.

What was the transmission issue on my 2015 Silverado?

When I bought my 2015 brand new I had the transmission take a crap after 200 miles. It would only shift into reverse and park. I had a great picture of it on a flatbed the day after I brought it home. They ended up replacing a bad electronic part, and back in business.

What kind of transmission does a 2020 Silverado have?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I have a 2020 AT4 2500. At 375 miles, I pulled out onto a 3 lane road an went to give it the throttle and the truck jerked an bucked and wouldn’t go.

What happens when you change gears in a GM car?

“Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or ‘hard shift’ when the vehicle’s automatic transmission changes gears,” alleges the GM class action lawsuit.

Why does my Sierra 2500 shift so hard?

I have a 2000 Sierra 2500. Recently it’s started to shift extremely hard under certain circumstances. It never does it when it’s cold (the trans, not ambient), and it sometimes does it when it’s warm. Anyone have an idea of what the problem might be? Do you ever change the tranny fluid and filter?

What kind of shift does a GMC 2500HD have?

My 2006 GMC 2500HD took some time to unlearn a slightly rough 3 to 4 shift that only occurred under light throttle with the AC compressor engaged so the conditions that lead to a rough shift usually are very specific. Make sure that the TCM has the latest software version next time it is at the dealer because it may have an older calibration.

Are there transmission problems with a 2003 GMC Sierra?

After five years, most of the issues with these trucks had been worked out. Now, these trucks are getting older, and it’s very likely that your 2003 Sierra may be having transmission problems. Below, you’ll find a ton of troubleshooting your transmission problems.

Why does my Chevy Silverado shift so hard?

Recently it’s started to shift extremely hard under certain circumstances. It never does it when it’s cold (the trans, not ambient), and it sometimes does it when it’s warm. Anyone have an idea of what the problem might be? Have scanned for trouble codes? Most transmission codes won’t turn on the CEL. Take it to Autozone or O’Reillys.

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Ruth Doyle