What is the 2020-2022 Cadillac CT5 Roof-Rail Side-Curtain Airbags May Be Installed Incorrectly (Recall 21V611)?

On certain 2020-2022 Cadillac CT5 vehicles, the roof-rail side-curtain airbags may not have been installed correctly and may deploy improperly in a crash. Severity: high.

What is the 2020-2021 Cadillac CT5 10-Speed Transmission Damage Can Cause Wheel Lock-Up (Recall 25V148)?

Certain 2020-2021 Cadillac CT5 vehicles equipped with a 10-speed transmission can develop internal transmission damage that may cause the wheels to lock while driving. Severity: high.

What is the 2020-2023 Cadillac CT5 Daytime Running Lights May Stay On with Headlights (Recall 22V903)?

On certain 2020-2023 Cadillac CT5 vehicles, the daytime running lights may not deactivate when the headlights are on, creating excess glare and failing FMVSS 108. Severity: high.

What is the 2020 Cadillac CT5 Selected-VIN Steering Shaft Can Contact Front Brake Line (N202296840)?

Certain VIN-identified 2020 Cadillac CT5 vehicles may have an upper intermediate steering shaft that contacts the front brake line. GM requires eligibility confirmation in Investigate Vehicle History. Severity: high.

What is the 2026 Cadillac CT5 Radio May Not Download the Electronic Owner Manual (Recall 26V114)?

On certain 2026 Cadillac CT5 vehicles, the radio may not have been set to the correct production status to download the electronic owner manual, leaving required safety-use information unavailable. Severity: high.

What is the 2021 Cadillac CT5 Airbag Warning Lamp May Not Illuminate Consistently (Recall 21V421)?

On certain 2021 Cadillac CT5 vehicles, the communications gateway module can process loss of communication with the sensing and diagnostic module incorrectly, causing inconsistent illumination of the airbag malfunction indicator. Severity: high.

What is the 2020-2024 Cadillac CT5 LSY Cam-Carrier T-Joint Oil Leak Can Mimic Other Front-Engine Leaks (21-NA-240)?

GM bulletin 21-NA-240 covers 2020-2024 Cadillac CT5 models with the 2.0L LSY engine. An improper amount of cam-carrier gasket sealant can leak at the T-joint and appear to come from the front cover, lower oil pan or upper timing-chain cover. Severity: medium.

What is the 2025 Cadillac CT5 Super Cruise Can Become Unavailable When Steering-Wheel Infrared Emitters Fail (PIT6356B)?

GM PIT6356B covers 2025 Cadillac CT5 vehicles with Super Cruise RPO UKL. In low-illumination conditions, failed steering-wheel infrared emitter LEDs can cause Super Cruise or Driver Attention Assist unavailable messages. Severity: medium.

What is the 2020-2021 Cadillac CT5 Harsh Shift with P2812 or P2814 from Solenoid-7 Electrical Fault (PIP5799)?

GM PIP5799 covers 2020-2021 Cadillac CT5 vehicles with the MHS transmission when the check-engine lamp and harsh shifting occur with TCM DTC P2812 or P2814. The listed cause is an electrical fault in transmission-control solenoid valve 7. Severity: medium.

What is the 2020 Cadillac CT5 Driver Information Display Can Remain Blank After Remote Start (21-NA-269)?

GM bulletin 21-NA-269 covers 2020 Cadillac CT5 vehicles equipped with enhanced driver-information display RPO UDD. During an ignition cycle with remote start, radio-module infotainment content may not initialize fully and the cluster display can remain blank. Severity: medium.

Cadillac · Known Issues

2020-2026 Cadillac CT5 Problems: 12 Known Issues

2020-2026 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated July 2026

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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020-2026 Cadillac CT5 has 12 documented known issues, with 8 rated critical. The most serious are Selected-VIN Electric Water-Pump Circuit Board Failure (N202320510), Roof-Rail Side-Curtain Airbags May Be Installed Incorrectly (Recall 21V611), 10-Speed Transmission Damage Can Cause Wheel Lock-Up (Recall 25V148), Daytime Running Lights May Stay On with Headlights (Recall 22V903), Electronic Brake-Boost Sensor Contamination Can Remove Assist (Recall 20V588), Selected-VIN Steering Shaft Can Contact Front Brake Line (N202296840), Radio May Not Download the Electronic Owner Manual (Recall 26V114) and Airbag Warning Lamp May Not Illuminate Consistently (Recall 21V421). DIY maintenance guides at au7o.io.

All 12 Known Issues

Frequently Asked Questions

What are the most common Cadillac CT5 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2020-2026 Cadillac CT5 has 12 documented issues. The most frequently reported are: Selected-VIN Electric Water-Pump Circuit Board Failure (N202320510), Roof-Rail Side-Curtain Airbags May Be Installed Incorrectly (Recall 21V611), 10-Speed Transmission Damage Can Cause Wheel Lock-Up (Recall 25V148). Of these, 8 are rated critical and should be addressed promptly.

Is the Cadillac CT5 reliable?

The 2020-2026 Cadillac CT5 has 12 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 8 issues are rated critical: Selected-VIN Electric Water-Pump Circuit Board Failure (N202320510) and Roof-Rail Side-Curtain Airbags May Be Installed Incorrectly (Recall 21V611) and 10-Speed Transmission Damage Can Cause Wheel Lock-Up (Recall 25V148) and Daytime Running Lights May Stay On with Headlights (Recall 22V903) and Electronic Brake-Boost Sensor Contamination Can Remove Assist (Recall 20V588) and Selected-VIN Steering Shaft Can Contact Front Brake Line (N202296840) and Radio May Not Download the Electronic Owner Manual (Recall 26V114) and Airbag Warning Lamp May Not Illuminate Consistently (Recall 21V421). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

What year Cadillac CT5 is the most reliable?

Reliability varies across model years of the Cadillac CT5. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2020-2026 Cadillac CT5 with 12 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.

What is the 2020-2021 Cadillac CT5 Selected-VIN Electric Water-Pump Circuit Board Failure (N202320510)?

Certain VIN-identified 2020-2021 Cadillac CT5 vehicles with a gasoline engine may have an incorrectly manufactured printed circuit board inside the water pump. Progressive coolant-temperature warnings, DTC P2B85, reduced power and eventual protective engine shutdown can occur. Severity: high.

All 12 Known Issues

2020-2022 Cadillac CT5: Roof-Rail Side-Curtain Airbags May Be Installed Incorrectly (Recall 21V611)#

2026 Cadillac CT5: Radio May Not Download the Electronic Owner Manual (Recall 26V114)#

2021 Cadillac CT5: Airbag Warning Lamp May Not Illuminate Consistently (Recall 21V421)#

2020 Cadillac CT5: Electronic Brake-Boost Sensor Contamination Can Remove Assist (Recall 20V588)#

2020 Cadillac CT5: Selected-VIN Steering Shaft Can Contact Front Brake Line (N202296840)#

2020-2021 Cadillac CT5: 10-Speed Transmission Damage Can Cause Wheel Lock-Up (Recall 25V148)#

2020-2021 Cadillac CT5: Harsh Shift with P2812 or P2814 from Solenoid-7 Electrical Fault (PIP5799)#

2020-2021 Cadillac CT5: Selected-VIN Electric Water-Pump Circuit Board Failure (N202320510)#

2020-2023 Cadillac CT5: Daytime Running Lights May Stay On with Headlights (Recall 22V903)#

2025 Cadillac CT5: Super Cruise Can Become Unavailable When Steering-Wheel Infrared Emitters Fail (PIT6356B)#

2020 Cadillac CT5: Driver Information Display Can Remain Blank After Remote Start (21-NA-269)#

2020-2024 Cadillac CT5: LSY Cam-Carrier T-Joint Oil Leak Can Mimic Other Front-Engine Leaks (21-NA-240)#

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