Problem Breakdown

Compare to Other Years

Active Recalls (1)

21V759000 Sep 29, 2021 EXTERIOR LIGHTING:HEADLIGHTS

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 Fed...

Complaints

Showing 20 of 46
Nov 21, 2025 Fuel/propulsion System

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 recal...

Nov 21, 2025 Fuel/propulsion System

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 recal...

Apr 18, 2025 Vehicle Speed Control

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 Cadi...

Apr 18, 2025 Vehicle Speed Control

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 Cadi...

Mar 20, 2025 Electrical System

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

Mar 20, 2025 Structure

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

Mar 20, 2025 Electrical System

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

Mar 20, 2025 Structure

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

Nov 21, 2024 Electrical System

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 th...

Nov 21, 2024 Power Train

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 th...

Nov 21, 2024 Forward Collision Avoidance

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 th...

Nov 21, 2024 Electrical System

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 th...

Nov 21, 2024 Power Train

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 th...

Nov 21, 2024 Forward Collision Avoidance

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 th...

Jun 22, 2024 Service Brakes

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

Jun 22, 2024 Power Train

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

Jun 22, 2024 Service Brakes

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

Jun 22, 2024 Power Train

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

Jul 16, 2023 Power Train

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 fo...

Jul 16, 2023 Power Train

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 fo...

Jul 6, 2023 Tires

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...

Jul 6, 2023 Tires

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...

Oct 10, 2022 Power Train

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...

Oct 10, 2022 Power Train

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 hitt...

Oct 10, 2022 Power Train

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...

Oct 10, 2022 Power Train

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 hitt...

Mar 23, 2022 Power Train 14,000 mi

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 t...

Mar 23, 2022 Electrical System 14,000 mi

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 t...

Mar 23, 2022 Power Train 14,000 mi

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 t...

Mar 23, 2022 Electrical System 14,000 mi

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 t...

Jun 30, 2021 Steering

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.

Jun 30, 2021 Steering

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.

Mar 29, 2021 Power Train 500 mi

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....

Mar 29, 2021 Power Train 500 mi

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....

Feb 16, 2021 Service Brakes

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

Feb 16, 2021 Electrical System

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

Feb 16, 2021 Unknown Or Other

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

Feb 16, 2021 Service Brakes

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

Feb 16, 2021 Electrical System

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

Feb 16, 2021 Unknown Or Other

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

Jul 13, 2020 Visibility 114,000 mi

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 MANUFACTUR...

Jul 13, 2020 Visibility 114,000 mi

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 MANUFACTUR...

Jun 12, 2020 Engine 6,000 mi

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 TEC...

Jun 12, 2020 Power Train 6,000 mi

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 TEC...

Jun 12, 2020 Engine 6,000 mi

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 TEC...

Jun 12, 2020 Power Train 6,000 mi

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 TEC...