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 ↗2017 Cadillac ATS powertrain problems
moderate Owners of the 2017 Cadillac ATS have filed 5 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
| Model year | powertrain complaints |
|---|---|
| 2013 ATS | 40 |
| 2014 ATS | 25 |
| 2015 ATS | 3 |
| 2016 ATS | 11 |
| 2017 ATS (this page) | 5 |
| 2018 ATS | 6 |
When does it fail?
Of the 5 powertrain complaints filed for the 2017 Cadillac ATS, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA powertrain complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
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 Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
full bulletin at NHTSA ↗This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
full bulletin at NHTSA ↗This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
full bulletin at NHTSA ↗This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 5 most recent
Transmission causes car to shudder or shake/vibrate at lower speeds and lower rpm (auto shifting) It's been like this since it was purchased. If you perform manual shifting at 2500 RPM's or higher you don't experience the same shake/vibration. Ron Craft Cadillac says it's performing as expected.
At major intersection was at a stop red light. Began accelerating vehicle stalled and the light engine turned on, transmission stuck at first gear and would not accelerate above 20mph. This happened as I tried passing a vehicle in front to later make a turn. The car has had this issue several times. Reported to Cadillac they asked that I report as a lemon meanwhile this is a lease vehicle.
Transmission shudders on light acceleration (worst at around 50 MPH) general acceleration feels similar to an engine misfire with intermittent drops in power. Some times transmission can shift hard and have a bang, jarring feeling.
1. The transmission shudders at high speeds and at low speeds it either hesitates to shift gears or it lurches forward causing a rough shifting of gears. 2. I feel as though when I am braking and my car lurches forward, sometimes I have to brake even harder just to get the car to stop in time. This has caused me to almost hit pedestrians and/or other car. At high speeds, when the transmission…
Transmission fluid temperature sensor in the 8 speed automatic 8L90 transmission from GM is a known issue. Causes vehicle to shift/jerk erratically especially in stop and go traffic.
Common questions
How serious is the powertrain problem on the 2017 Cadillac ATS?
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?
Based on the 5 complaints filed, powertrain issues most often appear around 11,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.