Vehicle shudders while accelerating and a constant speed from 1000-3000 rpm. Vehicle will shudder/shake for hundreds of miles at highway speed. Vehicle shakes violently going up steep grade. Vehicle shake is so consistently random it makes passengers ill. Warranty claim denied by GM after issue was recognized by technician.
2024 GMC Sierra HD powertrain problems
moderate 21 complaints filed with NHTSA · avg repair $2,500
Complaints
21
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 5 most recent
Upon exiting the freeway, I pressed the gas and the vehicles rpm’s went up to 4K plus on a diesel engine, no acceleration. Thought maybe there was ice and had lost traction, tried again, same thing. Then a shudder, bang and pop. The check engine light went on and informed me of limited power and acceleration. There was no acceleration. Rpm’s would go to 2000 plus just to move. Got it to the dealer…
2024 Gmc sierra Denali ultimate 3500hd equipped with duramax lp5 and Allison 10 speed transmission mission. Towing cargo trailer Thursday November 21 up 4 degree incline transmission let loose banged and popped slammed to a stop almost causing accident and went to limp mode. Took to dealership in show low Arizona. Was told this is common problem and it’s the valve body assembly and parts are 60-90…
The transmission is locking up, to the point it stoped pulling, it has been to several dealerships, and they can’t find any problems, put another transmission in the truck and it’s doing the same thing, the dealer ship told us there’s nothing they can do for us!
Experienced loss of power and inability to maintain highway speeds. The Transmission shifted violently and RPMs went as high as 3500. Was able to move off the highway but cars behind us had to dodge us when it failed. There was warning message on the dash and a CEL. The truck threw two codes P0700, P0747. I was able to limp to a dealer 5 miles away. This is a known TSB with GM. There is a solenoid…
Common questions
How serious is the powertrain problem on the 2024 GMC Sierra HD?
It's a documented issue but not catastrophic. 21 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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