The manufacturer patented Stabilitrak system continues to fail on my vehicle. Initial ODI 114406439. Dealership charged $1,7832.15 to replace transmission control module (TMC) on 11/5/21. On 12/22/21 vehicle indicated the exact issue (Service Stabilitrak), took vehicle to same dealership, awaiting response. The car is not drivable when "Service Stabilitrak" is indicated as engine power is subs…
2015 chevrolet Impala powertrain problems
moderate 14 complaints filed with NHTSA · avg repair $2,500
Complaints
14
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 2 most recent
CAR WAS TRAVELING AT 79 MPH ON HIGHWAY IN CRUISE CONTROL WHEN CAR LOST ALL POWER (ENGINE, EXTERIOR/INTERIOR LIGHTS, BRAKES, ETC.) WAS ABLE TO GET CAR TO THE SHOULDER, AND RESTART THE VEHICLE. LATER DETERMINED THE ISSUE TO BE WITH THE KEY. A SLIGHT BUMP OF THE KEY, E.G. TAPPING THE ATTACHED KEYRING OR HITTING A BUMP WHILE DRIVING, CAUSES THE CAR TO TURN OFF . THIS WAS A RENTAL CAR RENTED FR…
Common questions
How serious is the powertrain problem on the 2015 chevrolet Impala?
It's a documented issue but not catastrophic. 14 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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