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 CTS powertrain problems
moderate Owners of the 2017 Cadillac CTS have filed 8 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 →
Complaints
8
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2013 CTS | 10 |
| 2014 CTS | 76 |
| 2015 CTS | 17 |
| 2016 CTS | 8 |
| 2017 CTS (this page) | 8 |
| 2018 CTS | 3 |
| 2019 CTS | 3 |
When does it fail?
Of the 8 powertrain complaints filed for the 2017 Cadillac CTS, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 6 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 7 most recent
The car has 37250 miles on it. 6 months ago, it started shifting roughly between 1st and 2nd gear. We took it to waldorf Cadillac/gm in waldorf, md. They acknowledged it was a known issue and would take the following steps: flush the transmission, re-program the transmission, replace the valve, and ultimately, replace the transmission. They have done all the actions except replace the…
Rear differential failed on a vehicle with 60,000 miles and required a $4,200 repair. The manufacturer warranty covers up to 70,000 miles, but the age of the vehicle voided the warranty. Five Year manufacturer warranty and the vehicle is 7 years old, but within the mileage. Without the repair the vehicle is worthless, whereas it is worth @$14,000 {Kelly Blue Book}. Checked online and it is…
I purchased this vehicle is certified preowned Cadillac and during the warranty time I had a transmission issue that was causing the transmission to jerk when shifting from 1st to 2nd gear and at highway speeds, it would start jerking nonstop. I took it to the dealer and as per a service bulletin, they flushed the transmission fluid and replaced the transmission fluid. This was only a temporary…
The rear differential has failed in my vehicle, and I was told by the dealer it is a safety hazzard & could lock up, leave me stranded or cause an accident. (this is the same safety issue as thousands of other vehicles most from 2014 & 2015 that IS on a recall).
I began hearing a “hum” when driving my vehicle and dismissed it thinking it was the type of low profile, no flat tires. After a getting new tires, brakes, brake pads, and control arms, we still heard the “hum” and it continued to get louder. We took the car to 4 different places where they all stated the rear differential is the problem. I never had a service engine light come on. We found out…
The contact owns a 2017 Cadillac CTS. The contact stated while driving at various speeds and making a turn, the rear of the vehicle was dragging. Additionally, the contact stated that the rear tires were bowed out. The vehicle was taken to an independent mechanic, where it was diagnosed that the rear differential was leaking and needed to be resealed. The mechanic ordered new seals and pins from…
Car has locked in 2nd or 3rd gear two different times, both after long drives (2+ hours at highway speeds) and would not downshift into 1st to stop movement. The first time was a stop light and almost caused an accident, the second time was in my driveway and almost hit the house. Good brakes are the only thing that saved me. Both times, the vehicle shifted to 1st with a loud bang.…
Had powertrain trouble with your 2017 Cadillac CTS?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2017 Cadillac CTS?
It's a documented issue but not catastrophic. 8 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 8 complaints filed, powertrain issues most often appear around 60,609 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2017/Cadillac/CTS.
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. Some links on this page are affiliate links.