2017 Cadillac CT6 Problems, Complaints & Recalls

Source: NHTSA · Updated May 20, 2026 · 17 owner complaints analyzed

Compared with other CT6 years
More complaints than other years 1st of 5 for complaints
NHTSA crash rating
Not rated

Owners have filed 17 complaints with NHTSA about the 2017 Cadillac CT6. That is the most of any CT6 model year in the database (5 years). The most reported problem area is power train (10 complaints, 59%), typically at around 6,000 miles. There is 1 safety recall covering this model year.

Cadillac CT6
Cadillac CT6 II. Representative photo; appearance varies by model year. Photo: JustAnotherCarDesigner, CC0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2017 Cadillac CT6 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Power Train10 · ~6,000 mi
Electrical System4 · ~14,000 mi
Service Brakes2
Vehicle Speed Control2
Engine1 · ~6,000 mi
Forward Collision Avoidance1
Fuel/propulsion System1
Steering1
Structure1
Suspension1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Power Train1059%6,000——
Electrical System424%14,000——
Service Brakes212%———
Vehicle Speed Control212%———
Engine16%6,000——
Forward Collision Avoidance16%———
Fuel/propulsion System16%———
Steering16%———
Structure16%———
Suspension16%———
Tires16%———
Unknown or Other16%———
Visibility16%114,000——
Wheels16%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 3 complaints
2020: 2202022021: 3202132022: 3202232023: 2202322024: 2202422025: 3202532026: 220262

n = 17 complaints · Source: NHTSA

2017 Cadillac CT6 recalls (1)

Tap a recall to see the problem, the risk and the fix.

Exterior lighting:headlightsSep 29, 2021 · NHTSA campaign 21V759000 · 181 vehicles

Problem: General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.

Fix: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

UNKNOWN, The transmission slips,it wont drive now and my wheel barrings nearly snapped

Power Train · received May 20, 2026 · NHTSA complaint 11738945

The vehicle experiences harsh shifting, surging, and jerking forward during normal driving conditions. The behavior has occurred repeatedly over several years and has been confirmed by the dealership. Multiple repair attempts, including transmission-related work, have not resolved the issue. The…

Power Train · received Jan 29, 2026 · NHTSA complaint 11714281

My CT6 had a default engine light on,.Dealer reports broken EVAP line.Car has never been in an accident or damaged.Upon inquiry dealer reports no issues known to them with this problem.However ,this same vehicle had transmission issue when purchased new and the dealer stated same findings.Then…

Fuel/propulsion System · received Nov 21, 2025 · NHTSA complaint 11700820

My vehicles transmission has a buzzing noise coming from the transmission oil pan and a gear shifting problem I took vehicle to Cadillac dealer whom can’t find the issue they changed the oil pan and the transmission lines . My vehicle is a 2017 Cadillac ct6 with 72027 miles . I’ve been to 4…

Vehicle Speed Control · received Apr 18, 2025 · NHTSA complaint 11655564

Water is getting into my trunk where the amp is and now my radio does not work only the back up camera. I cannot control the AC or turn on the air conditioner. Or is that how I would like it to blow

Electrical System · received Mar 20, 2025 · NHTSA complaint 11649426

Other Cadillac CT6 years

← 2016 CT6 · 2018 CT6 →

YearComplaintsRecalls
2020 CT6112
2019 CT6174
2018 CT690
2017171
2016 CT6113

See all Cadillac CT6 problems by year, every Cadillac model, or the Cadillac VIN decoder.

Similar Cadillac models

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Frequently asked questions

What are the most common problems with the 2017 Cadillac CT6?

Owners most often report power train, electrical system, service brakes problems. The top one, power train, accounts for 10 complaints.

Was there a recall on the 2017 Cadillac CT6?

Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2017 Cadillac CT6 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other CT6 model years, the 2017 has more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.