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Cadillac Ct4 Engine Problems

11 owner complaints filed with NHTSA across 5 model years.

Complaints by Year

Worst year: 2021. Best year: 2023.

Owner Reports

A representative sample of complaints filed with NHTSA.

Engine · 2024 4

I was driving slowly into my driveway to prepare for turning into my garage. The car rapidly accelerated on it’s own causing me to crash into the garage door next to the one I intended to park in. I have video from my security system.

Engine · 2021 2

While driving at highway speeds on the freeway in my 2021 Cadillac CT4-V, the vehicle experienced a sudden, catastrophic loss of propulsion. Without warning, the transmission dropped out of gear as if it were in neutral. I completely los...

Engine · 2024 2

The contact owns a 2024 Cadillac CT4. The contact stated that while driving at an undisclosed speed, the low oil pressure warning light illuminated. The vehicle was taken to a local dealer where the rear main seal of the engine was repla...

Engine · 2022 2

The contact owns a 2022 Cadillac CT4. The contact stated that while driving approximately 60-65 MPH, the power steering and power brakes failed to operate as needed. The check engine and the crash warning lights were illuminated. The con...

Engine · 2024 1

The contact owns a 2024 Cadillac CT4. The contact stated that while attempting to park the vehicle, there was an abnormal engine oil burning odor around the exterior of the vehicle. No warning light was illuminated. The vehicle was taken...

Engine · 2020 1

The vehicle shudders and loses power when accelerating fast. My wife almost got hit when she pulled out in traffic the car stalled out. It is due to the cylinder deactivation (afm).

Engine · 2021 1

Check engine light for P1467 on a 2021 CT4 V. This is for a "purge pump underspeed" issue. The issue is known on CT4 Cadillacs and has an active recall out: N242441120 Evaporative Emissions Purge Pump. This recall is only for the 2.0, L...

Engine · 2021 1

valve body failed and was supposedly repaired. I had the car 1 day and valve body failed again. My car has been in the shop since November 4, 2024 with no estimated time of repair because no parts are available. I was told they would r...

Engine · 2020 1

The contact owns a 2020 Cadillac CT4. The contact stated while driving 70 MPH, on several occasions, the vehicle failed to accelerate, hesitated, and then stalled. The vehicle was towed on three occasions to the local dealer, who was una...

Engine · 2021 1

Engine and transmission for the second time in 90 days apart. Supposedly be a new part. I don’t think so.

Engine · 2023 1

The vehicle shut off while driving on the feeder of the highway. Vehicle was no longer responsive and had to be towed to Central Cadillac of Houston; where later it was determined that the vehicle needed a new engine. The Vehicle is a 20...

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