This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2019 Chevrolet Impala powertrain problems
moderate Owners of the 2019 Chevrolet Impala have filed 4 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of September 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
| Model year | powertrain complaints |
|---|---|
| 2015 Impala | 14 |
| 2016 Impala | 15 |
| 2017 Impala | 12 |
| 2018 Impala | 11 |
| 2019 Impala (this page) | 4 |
Of the 15 model years of Chevrolet Impala we track for powertrain problems, this one has the fewest owner complaints on file (4).
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
full bulletin at NHTSA ↗This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
full bulletin at NHTSA ↗This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
full bulletin at NHTSA ↗This service bulletin informs the technician of an alternate lift procedure that has been developed when the lift plate does not fit the top of the transmission case for 6T30, 6T35, 6T40, 6T45, and 6T50 Transmissions.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
The contact owns a 2019 Chevrolet Impala. The contact stated that after parking the vehicle, the message “Shift to Park” was displayed; however, the transmission was already shifted to park(P). The vehicle was unable to turn off. The contact disconnected the battery to turn off the vehicle and reconnected the battery to restart the vehicle. The failure occurred several times. The vehicle was…
It started raining and then I received a check engine light and reduced engine power light. I was unable to accelerate over 35 mph.
Common questions
How serious is the powertrain problem on the 2019 Chevrolet Impala?
It's a documented issue but not catastrophic. 4 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.