The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving 10 MPH, the vehicle hesitated and shifted into another unknown gear independently. The vehicle was taken to the dealer where it was diagnosed that the transmission torque converter and the valve body needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure when a cas…
2021 Chevrolet Silverado powertrain problems
moderate 198 complaints filed with NHTSA · avg repair $2,500
Complaints
198
Recalls
0
Crashes
3
Avg fix
$2,500
What owners are reporting 4 most recent
Throttle Body Failure Anti brake lock failure Throttle position sensor failure Power reduced *Vehicle has been to repair shop 3 times and the issue prevails. It poses a risk to my community because my loses power sporadically*
The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that after the vehicle was stopped at a traffic light or stop sign, while attempting to accelerate, the vehicle briefly lost motive power before slamming into gear. The check engine warning light was illuminated. The contact stated that the failure had gotten worse. The vehicle was taken to the dealer; however, no cause for the …
Transmission lags between 1st & 2nd gear some times as long as 3 seconds making transfer case hit hard . I have had this truck at the dealer 2 are 3 times with this and other matters , the maintenance technician reports he can not reduplicate my grievance , this malfunction occurs more prominently in cold weather in morning on first take off . All so turn signal malfunction at random no particular…
Common questions
How serious is the powertrain problem on the 2021 Chevrolet Silverado?
It's a documented issue but not catastrophic. 198 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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