2017 Cadillac Ct6 Safety Report

2017 Cadillac CT6 Safety and Reliability Report

25Complaints
2Recalls
82/100Reliability Score
Most reported components: Power Train (10)Power Train,Engine (2)Power Train,Vehicle Speed Control (1)Fuel/Propulsion System (1)Vehicle Speed Control (1)Electrical System,Structure (1)Power Train,Electrical System,Forward Collision Avoidance (1)Power Train,Service Brakes (1)Tires (1)Power Train,Electrical System (1)

Safety Decision Cockpit for the 2017 Cadillac Ct6

This page is the hub for deciding what to inspect next on the 2017 Cadillac Ct6. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.

2017 Cadillac Ct6 Safety Signal Summary
SignalValueWhat to inspect next
Recall burdenModerate (2)Review campaign numbers, affected components, and dealer remedies below.
Owner complaintsModerate (25)Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates.
Crash and fire reports0Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item.
Primary component hubPower TrainCompare power train issues across vehicles.
Cleaner nearby model year2018Compare against the 2018 Cadillac Ct6 with 9 complaints and 2 recalls.
Riskier nearby model year2019Check the 2019 Cadillac Ct6 before buying across this generation.

Cadillac Ct6 Year-by-Year Comparison

The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Cadillac Ct6 years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.

Nearby Cadillac Ct6 Model Years
Model YearComplaintsRecallsUse case
2018 Cadillac Ct6 9 2 Compare as a potentially cleaner alternative.
2016 Cadillac Ct6 11 3 Compare as a potentially cleaner alternative.
2019 Cadillac Ct6 15 4 Compare as a potentially cleaner alternative.
2020 Cadillac Ct6 11 2 Compare as a potentially cleaner alternative.

2017 Cadillac Ct6 Complaint Theme Map

Complaint counts become more useful when they are grouped into inspection themes. For the 2017 Cadillac Ct6, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.

Power Train

10 owner complaints mention this component in the current safety profile.

All Power Train issues Cadillac only

Power Train,Engine

2 owner complaints mention this component in the current safety profile.

All Power Train,Engine issues Cadillac only

Power Train,Vehicle Speed Control

1 owner complaint mention this component in the current safety profile.

All Power Train,Vehicle Speed Control issues Cadillac only

Fuel/Propulsion System

1 owner complaint mention this component in the current safety profile.

All Fuel/Propulsion System issues Cadillac only

Vehicle Speed Control

1 owner complaint mention this component in the current safety profile.

All Vehicle Speed Control issues Cadillac only

Electrical System,Structure

1 owner complaint mention this component in the current safety profile.

All Electrical System,Structure issues Cadillac only

AI Safety Analysis for the 2017 Cadillac Ct6

The 2017 CADILLAC CT6 has accumulated 25 complaints and 2 recalls in the NHTSA database. The most frequently reported problem areas are power train (10 complaints), power train,engine (2 complaints), power train,vehicle speed control (1 complaints). The vehicle experiences harsh shifting, surging, and jerking forward during normal driving conditions. The behavior has occurred repeatedly over several months. The car is equipped with an 8-Speed Automatic Transmission which is frequently very hard shifting from 1st to 2nd gear. The car has been to my local dealer multiple times for this issue. Key known issues to be aware of include 8-Speed Automatic Transmission Issues, Exterior Lighting Defect, Steering Rack Malfunction. Be cautious of transmission issues and exterior lighting defects. Regular maintenance is crucial.

Reliability Score

The 2017 Cadillac Ct6 receives a reliability score of 82 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.

Known Issues for the 2017 Cadillac Ct6

The following issues have been identified from NHTSA complaint data and owner reports for the 2017 Cadillac Ct6:

IssueSeverityFrequencyTypical Mileage
8-Speed Automatic Transmission Issues
The 8-Speed Automatic Transmission in the 2017 Cadillac CT6 has been reported to have hard shifting issues, especially from 1st to 2nd gear.
Medium Rare 30k-60k miles
Exterior Lighting Defect
General Motors is recalling certain 2016-2017 Cadillac CT6 vehicles due to a defect in the Park/Position light.
Low Common 0-100k miles
Steering Rack Malfunction
A steering rack bound up and became extremely difficult to move, causing the vehicle to leave the roadway.
High Rare 0-100k miles
Sunroof Malfunction
The sunroof of a 2017 Cadillac CT6 exploded without impact, causing potential safety concerns.
Medium Rare 0-100k miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2017 Cadillac Ct6:

Transmission 23% of complaints

Issues with hard shifting from 1st to 2nd gear.

Exterior Lighting 10% of complaints

Defect in Park/Position light.

Steering 15% of complaints

Steering rack bound up and became extremely difficult to move.

Sunroof 5% of complaints

Sunroof exploded without impact.

Recall Details for the 2017 Cadillac Ct6

The following 2 recalls have been issued for the 2017 Cadillac Ct6 by NHTSA:

Exterior Lighting
Campaign #21V759000 29/09/2021

Summary: 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."

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

Remedy: 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.

Manufacturer: General Motors, LLC
Seats:Mid/Rear Assembly
Campaign #18V437000 28/06/2018

Summary: General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."

Consequence: If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.

Remedy: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.

Manufacturer: General Motors LLC

NHTSA Complaint Summaries for the 2017 Cadillac Ct6

Below are complaint narratives filed by owners of the 2017 Cadillac Ct6 with the National Highway Traffic Safety Administration.

Power Train,Vehicle Speed Control
01/29/2026

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 vehicle has surged forward unexpectedly, creating near-miss accident situations. I no longer feel the v...

ODI #11714281
Fuel/Propulsion System
11/21/2025

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 recall was issued and transmission was repaired for a known problem and repaired under a recall notice.My...

ODI #11700820
Vehicle Speed Control
04/18/2025

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 Cadillac certified dealers and none can locate to problem . Thank you . Also I would like to add that Cadill...

ODI #11655564
Electrical System,Structure
03/20/2025

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

ODI #11649426
Power Train,Electrical System,Forward Collision Avoidance
11/21/2024

These vehicles have an issue tbat GM is aware of, with their 8 speed automatic transmissions which are used in multiple GM vehicles and these cause safety issues because for instance my vehicle switches gears randomly almost causing a wreck, and shuttering, and even slipping and when this happens the cars traction control light is engaged shutting it off, active steering is also shut off due to th...

ODI #11626548
Power Train,Service Brakes
06/22/2024

Transmission - Jerks and studders (hesitation) in the course of normal driving. Brakes - Makes a squealing noise which has gotten louder over time.

ODI #11595865
Power Train
07/16/2023

The car is equipped with an 8-Speed Automatic Transmission which is frequently very hard shifting from 1st to 2nd gear. The car has been to my local Cadillac Dealer twice for this problem; they reply this is a know problem, and a normal condition, but the problem is getting worse. I'm concerned for the future and afraid of an accident because of a transmission failure.

ODI #11532575
Tires
07/06/2023

SIDEWALL CRACKING ISSUE WITH ALL FOR TIRES - PIRELLI P ZERO NERO 245/40/R20 While traveling out of town (Dallas to San Antonio) we experienced some tire issues which led to us needing to replace all 4 tires. Several weeks prior, we began to noticed a very slight loss of tire pressure and had the tires checked twice for any objects or other damage – Nothing found. We also had the tires rotated...

ODI #11530777
Power Train
10/10/2022

I was driving the vehicle heading to the interstate, and my speed was about 15 MPH, as I merge onto the highway and accelerated I felt the transmission shudder, and lag with a humming noise. It felt like the transmission mission was slipping and shaking with no acceleration power. I had to keep hitting the gas pedal to try and make the transmission engage. Very Dangerous! The transmission would ...

ODI #11488586
Power Train
10/10/2022

While driving the vehicle with auto stop engaged, the auto stop was malfunctioning. When I get to a red light or stop sign vehicle would engage auto stop, once I let my feet off the gas pedal and accelerate, the vehicle would jerk out of gear then slip /drag then engage with a loud hit as if someone rear-ended me. The problem was duplicated and confirmed by the dealership. There has been no outsi...

ODI #11488585
Power Train,Electrical System
03/23/2022

The contact owns a 2017 Cadillac CT6. The contact stated that while driving at various speeds, the vehicle would hesitate upon depression of the accelerator pedal without warning. The contact had taken the vehicle to a dealer where they initially changed the transmission fluid and reprogrammed the transmission module; however, the failure persisted. The contact returned the vehicle to the dealer a...

ODI #11458017
Steering
06/30/2021

Steering rack bound up and became extremely difficult to move, causing vehicle to leave roadway. Power assist failed and manual mode would not allow steering to left making it nearly impossible to control direction of vehicle.

ODI #11422881
Power Train
03/29/2021

MY 2017 CADILLAC CT6 3.0 TT PREMIUM LUXURY HAS HAD THIS ISSUE SINCE I PURCHASED IT. DEALERSHIP STATE THAT THIS IS NORMAL AND I SHOULD LIVE WITH IT. IF I KNEW THIS BEFORE I PURCHASE THIS $98,000 VEHICLE I WOULD HAVE GONE MERCEDES-BENZ. THE ISSUES WITH THE 8-SPEED 8L90 GM TRANSMISSION ARE TWO-FOLD. FIRST, THE TRANSMISSION SHUDDERS FREQUENTLY. SECONDLY, THE SHIFTS ARE VERY HARSH BETWEEN FIRST TO S...

ODI #11405442
Electrical System,Unknown Or Other,Service Brakes
02/16/2021

WHEN YOU PT IN THE REVERVE THE OUT SIDE MIRRORS DID NOT TILTED , AND SOME TIME THE PARKING BREAK LIGHT ON

ODI #11396532
Visibility
07/13/2020

TL* THE CONTACT OWNS A 2017 CADILLAC CT6. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 67 MPH, THE SUN ROOF EXPLODED WITHOUT IMPACT. THE VEHICLE WAS TAKEN TO HILL CADILLAC LOCATED AT 3964 WEST CHESTER PIKE, NEWTOWN SQUARE, PA 19073, WHERE THE TECHNICIAN TOOK PICTURES TO SEND TO THE MANUFACTURER. THE CONTACT WAS INFORMED THAT THE WARRANTY HAD EXPIRED. THE CONTACT WAS NOT GIVEN A CALLBACK. TH...

ODI #11339080
Power Train,Engine
06/12/2020

WHEN AUTO STOP IS ENGAGE TAKING YOUR FOOT OFF THE BRAKE PEDAL FROM A COMPLETE STOP WHEN THE ENGINE STARTS BACK UP IT HAS A HARSH JERK SOMETIMES, IT FEELS AS THOUGH SOMEONE HAS HIT YOU FROM THE REAR. THIS BEEN GOING ON FOR THREE YEARS THE CAR HAS BEEN IN SERVICE TWICE FOR THIS PROBLEM THE SERVICE TECHNICIAN CANNOT DUPLICATE IT. *TR

ODI #11328598
Power Train,Engine
03/04/2020

ON MORE THAN THREE OCCASIONS, THIS VEHICLE HAS LOST SUBSTANTIAL OR ALL PROPULSION DUE TO ENGINEERING DESIGN DEFECTS WITH THE GAS/HYBRID ELECTRIC TRANSMISSION SYSTEM. ALL BUT ONE OF THESE SITUATIONS OCCURRED ON A HIGH SPEED FREEWAY CAUSING POTENTIALLY LIFE THREATENING CONDITIONS WHEN THE VEHICLE SUBSTANTIALLY SLOWED OR STOPPED. THIS IS A KNOWN ISSUE AS IS EVIDENCED BY OTHER OWNERS OF THIS VEHICLE...

ODI #11316043
Power Train
10/21/2019

TL* THE CONTACT OWNS A 2017 CADILLAC CT6. WHEN THE VEHICLE WAS STARTED, IT LURCHED FORWARD WITHOUT WARNING. THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO GOLD COAST CADILLAC (732-709-2168, LOCATED AT 2123 STATE ROUTE 35, OAKHURST, NJ 07755), BUT THE CAUSE OF THE FAILURE COULD NOT BE DETERMINED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND REFERRED THE CONTACT BACK TO THE SAME...

ODI #11270009
Power Train
09/14/2019

I PURCHASED THE USED 2017 CADILLAC CT6 IN MARCH 2019 WITH 24,192 MILES. IT WAS A CERTIFIED PRE -OWNED CAR BY THE DEALER. ADDITIONALLY I PURCHASED A CPO PROTECTION PLUS PROTECTION PLAN WITH THE CAR. I AM EXPERIENCING PROBLEMS WITH THE TRANSMISSION. DURING ACCELERATION AND DECELERATING THE CAR FEELS A HESITATION FOLLOWED BY A SIGNIFICANT SHAKE, SHUDDER, JERK, CLUNK OR HARD SHIFT. THE AUTO START...

ODI #11255505
Power Train
08/26/2019

HARD SHIFTS IN LOW SPEEDS, INTENSE VIBRATION , SHUDDER THROUGHOUT DRIVING SPEED. CADILLAC DEALER SAID IT IS TORGUE CONVERTER ISSUE, CAR TRANSMISSION NEEDS TO BE FLUID EXCHANGED FOR $800.

ODI #11246532

Showing 20 of 25 complaints. Additional complaints are available via the NHTSA database.

Frequently Asked Questions About the 2017 Cadillac Ct6

Has the 2017 CADILLAC CT6 been recalled?

Yes, the 2017 CADILLAC CT6 has 2 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.

How many complaints does the 2017 CADILLAC CT6 have?

The 2017 CADILLAC CT6 has 25 complaints filed with NHTSA. None of the complaints involved crashes. No injuries or deaths have been reported.

What is the safety rating for the 2017 CADILLAC CT6?

The 2017 CADILLAC CT6 does not have an NHTSA safety rating on file. This can happen for newer model years, specialty vehicles, or models that have not been crash-tested.

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

The most commonly reported problems with the 2017 CADILLAC CT6 involve power train (10 complaints), power train,engine (2 complaints), power train,vehicle speed control (1 complaints). Other affected components include fuel/propulsion system, vehicle speed control, electrical system,structure.

How many crash reports does the 2017 CADILLAC CT6 have?

There are no crash reports associated with the 2017 CADILLAC CT6 in the NHTSA database.

How many fire reports does the 2017 CADILLAC CT6 have?

There are no fire reports for the 2017 CADILLAC CT6 in the NHTSA database.

Are there any deaths reported for the 2017 CADILLAC CT6?

No deaths have been reported in NHTSA complaints for the 2017 CADILLAC CT6.

How many injuries are reported for the 2017 CADILLAC CT6?

No injuries have been reported in NHTSA complaints for the 2017 CADILLAC CT6.

Should I buy a 2017 CADILLAC CT6?

Based on NHTSA data, the 2017 CADILLAC CT6 is research thoroughly before purchasing. It has 25 complaints, 2 recalls. Always have a pre-purchase inspection done by a qualified mechanic.

What components fail most on the 2017 CADILLAC CT6?

The components with the most failures on the 2017 CADILLAC CT6 are: 1. POWER TRAIN (10 complaints), 2. POWER TRAIN,ENGINE (2 complaints), 3. POWER TRAIN,VEHICLE SPEED CONTROL (1 complaints), 4. FUEL/PROPULSION SYSTEM (1 complaints), 5. VEHICLE SPEED CONTROL (1 complaints). POWER TRAIN is the single most-reported problem area with 10 complaints.

What should I know before buying a 2017 CADILLAC CT6?

Be cautious of transmission issues and exterior lighting defects. Regular maintenance is crucial. The 2017 CADILLAC CT6 has 25 NHTSA complaints and 2 recalls on record.

How reliable is the 2017 CADILLAC CT6?

The 2017 CADILLAC CT6 receives a reliability score of 82/100, indicating above-average reliability. This is based on 25 owner complaints, 2 recalls, and 0 crash/fire reports in the NHTSA database. Key known issues include 8-Speed Automatic Transmission Issues and Exterior Lighting Defect.

What are the known issues with the 2017 CADILLAC CT6?

Known issues with the 2017 CADILLAC CT6 include: 8-Speed Automatic Transmission Issues, Exterior Lighting Defect, Steering Rack Malfunction, Sunroof Malfunction. These are based on patterns found across 25 NHTSA complaints. 2 of these patterns resulted in formal recalls.

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

Transmission hard shifting and exterior lighting defects are the most common issues.

Is the sunroof issue a widespread problem?

Yes, the sunroof exploding without impact has been reported in a few cases.

What should I do if I experience harsh shifting in my CT6?

Take your vehicle to a dealer for inspection and possible repairs.

Buyer Advice

Our recommendation: Be cautious of transmission issues and exterior lighting defects. Regular maintenance is crucial.

NHTSA Data Summary for 2017 Cadillac Ct6

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2017 Cadillac Ct6. The data includes 25 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.

Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.

Analysis last updated: 2026-05-13