The contact owns a 2025 Chevrolet Trailblazer. The contact stated that when he stopped the vehicle and had shut the vehicle off but had left the vehicle in drive (D) and had not engaged the parking brake, the vehicle rolled forward. The contact stated that this was also occurring when he had stopped the vehicle, turned the vehicle off and placed it in reverse (R) without engaging the parking brake…
2025 Chevrolet Trailblazer powertrain problems
moderate 5 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 5 most recent
Vehicle would not go over 20 mph at times. When vehicle would shift from 2nd to 3rd gear the engine would race yet not engage.
On 4/14 with only 21 miles on the odometer in this newly purchased car the entire transmission failed, per the dealership because of a “leaking valve”. The check engine light came on after the car was jumpy and then the car refused to speed up on an extremely busy street and began locking up, putting us at serious risk of an accident. It was barely able to reach a parking lot and at that point all…
While driving the car stalled and eventually stopped running. The battery was still on, but there was no power to the engine. The car needed to be pushed out of the road and towed to the dealership for work.
See attached document for complaint.
Common questions
How serious is the powertrain problem on the 2025 Chevrolet Trailblazer?
It's a documented issue but not catastrophic. 5 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.