2021 Cadillac Ct4 Safety Report
2021 Cadillac CT4 Safety and Reliability Report
Safety Decision Cockpit for the 2021 Cadillac Ct4
This page is the hub for deciding what to inspect next on the 2021 Cadillac Ct4. 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.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | High (4) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Low (5) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 0 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Power Train | Compare power train issues across vehicles. |
| Cleaner nearby model year | 2025 | Compare against the 2025 Cadillac Ct4 with 2 complaints and 0 recalls. |
| Riskier nearby model year | 2022 | Check the 2022 Cadillac Ct4 before buying across this generation. |
Cadillac Ct4 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 Ct4 years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2022 Cadillac Ct4 | 6 | 2 | Inspect as a potentially higher-complaint year. |
| 2020 Cadillac Ct4 | 3 | 4 | Compare as a potentially cleaner alternative. |
| 2023 Cadillac Ct4 | 3 | 1 | Compare as a potentially cleaner alternative. |
| 2024 Cadillac Ct4 | 5 | 0 | Use as a comparable safety baseline. |
| 2025 Cadillac Ct4 | 2 | 0 | Compare as a potentially cleaner alternative. |
2021 Cadillac Ct4 Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2021 Cadillac Ct4, 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
1 owner complaint mention this component in the current safety profile.
All Power Train issues Cadillac onlyEngine
1 owner complaint mention this component in the current safety profile.
All Engine issues Cadillac onlySuspension,Engine
1 owner complaint mention this component in the current safety profile.
All Suspension,Engine issues Cadillac onlySteering,Electrical System,Forward Collision Avoidance
1 owner complaint mention this component in the current safety profile.
All Steering,Electrical System,Forward Collision Avoidance issues Cadillac onlyTires
1 owner complaint mention this component in the current safety profile.
All Tires issues Cadillac onlyAI Safety Analysis for the 2021 Cadillac Ct4
Reliability Score
The 2021 Cadillac Ct4 receives a reliability score of 87 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 2021 Cadillac Ct4
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Cadillac Ct4:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Transmission Hesitation Reports indicate transmission issues leading to hesitation and hard shifting, particularly in the 30k-60k mileage range. |
Medium | Common | 30k-60k miles |
| Electrical System Failure Electrical system malfunctions, including power steering loss and warning lights, have been reported across various mileages. |
Medium | Common | 0-100k miles |
| Air Bag Malfunction Air bag malfunctions have been reported, though less frequently, across various models. |
Low | Occasional | 0-100k miles |
| Tire Issues Run-flat tires have shown no significant issues, with no damage to rims reported under 10k miles. |
Low | Common | 0-10k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Cadillac Ct4:
Transmission issues, including hesitation and hard shifting, are a common problem.
Electrical system malfunctions, such as power steering loss, are a recurring issue.
Air bag malfunctions have been reported but are less frequent.
Run-flat tires have shown no significant issues.
Recall Details for the 2021 Cadillac Ct4
The following 4 recalls have been issued for the 2021 Cadillac Ct4 by NHTSA:
Summary: General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.
Consequence: Wheel lock-up while driving increases the risk of a crash.
Remedy: Dealers will install transmission control module monitoring software, free of charge. Owner notification letters were mailed April 7, 2025. Owners may contact Cadillac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242480630.
Summary: General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. 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: DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222386380. This recall expands prev...
Summary: General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.
Consequence: Air bags that do not deploy properly can increase the risk of injury in a crash.
Remedy: Dealers will inspect both left and right-side roof rail air bags and reinstall the air bags, as necessary, free of charge. Owner notification letters were mailed on August 30, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212342780.
Summary: General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.
Consequence: The air bag malfunction indicator light may fail to warn the driver of a problem with the air bag, increasing the risk of injury.
Remedy: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for th...
NHTSA Complaint Summaries for the 2021 Cadillac Ct4
Below are complaint narratives filed by owners of the 2021 Cadillac Ct4 with the National Highway Traffic Safety Administration.
There is a known issue with hesitation and hard shifting on my vehicle. According to the gm bulletin that was released I believe in may of 25 my year, make and model has a known issue where the transmission control valve may stick or wear causing jerking and shifting issues and could cause a possible crash. According to the bulletin by gm the fix is to replace the valve cover on the transmission. ...
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 replace the transmission. That has not happened yet. No parts available. My car has been disable for 6 months.
Engine and transmission for the second time in 90 days apart. Supposedly be a new part. I don’t think so.
While driving the power steering was lost. The the auto hold function lit up. The collision warning light lit up. The stabilitrak system lit up. The air bag safety system lit up. Steering became very hard and made for y safe driving. Later that day 01-22-24, all warning light went out and power steering was normal.
235 40 80 run flat Both front and rear passenger tires no damage to rim less that 10k miles
NHTSA Defect Investigations for the 2021 Cadillac Ct4
NHTSA defect investigations are higher-signal than ordinary complaints because they indicate the agency opened a formal review of a potential safety defect. Some investigations later connect to recall campaigns; others close without a recall after review.
Component: Air Bags:Frontal:Driver Side:Inflator Module
Opened 2021-04-09 · Closed 2023-08-24
On April 9, 2021, the Office of Defects Investigations (ODI) opened PE21-010 to investigate instances of air bag malfunction indicator light (MIL) illumination and potential for frontal air bag non-deployment in several vehicles manufactured by General Motors (GM). The vehicles included model year (MY) 2020 through 2021 CT4 and CT5 passenger cars, Sierra and Silverado trucks (1500/2500/3500 models), XT4 and MY 2021 Escalade, Suburban, Tahoe, Yukon SUVs.Technical Service Bulletin (TSB) 21-NA-005,...
Frequently Asked Questions About the 2021 Cadillac Ct4
Has the 2021 CADILLAC CT4 been recalled?
Yes, the 2021 CADILLAC CT4 has 4 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2021 CADILLAC CT4 have?
The 2021 CADILLAC CT4 has 5 complaints filed with NHTSA. None of the complaints involved crashes. No injuries or deaths have been reported.
What is the safety rating for the 2021 CADILLAC CT4?
The 2021 CADILLAC CT4 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 2021 CADILLAC CT4?
The most commonly reported problems with the 2021 CADILLAC CT4 involve power train (1 complaints), engine (1 complaints), suspension,engine (1 complaints). Other affected components include steering,electrical system,forward collision avoidance, tires.
How many crash reports does the 2021 CADILLAC CT4 have?
There are no crash reports associated with the 2021 CADILLAC CT4 in the NHTSA database.
How many fire reports does the 2021 CADILLAC CT4 have?
There are no fire reports for the 2021 CADILLAC CT4 in the NHTSA database.
Are there any deaths reported for the 2021 CADILLAC CT4?
No deaths have been reported in NHTSA complaints for the 2021 CADILLAC CT4.
How many injuries are reported for the 2021 CADILLAC CT4?
No injuries have been reported in NHTSA complaints for the 2021 CADILLAC CT4.
Should I buy a 2021 CADILLAC CT4?
Based on NHTSA data, the 2021 CADILLAC CT4 is research thoroughly before purchasing. It has 5 complaints, 4 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2021 CADILLAC CT4?
The components with the most failures on the 2021 CADILLAC CT4 are: 1. POWER TRAIN (1 complaints), 2. ENGINE (1 complaints), 3. SUSPENSION,ENGINE (1 complaints), 4. STEERING,ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE (1 complaints), 5. TIRES (1 complaints). POWER TRAIN is the single most-reported problem area with 1 complaints.
What should I know before buying a 2021 CADILLAC CT4?
Be cautious of transmission and electrical system issues, as they can affect driving safety and comfort. The 2021 CADILLAC CT4 has 5 NHTSA complaints and 4 recalls on record.
How reliable is the 2021 CADILLAC CT4?
The 2021 CADILLAC CT4 receives a reliability score of 87/100, indicating above-average reliability. This is based on 5 owner complaints, 4 recalls, and 0 crash/fire reports in the NHTSA database. Key known issues include Transmission Hesitation and Electrical System Failure.
What are the known issues with the 2021 CADILLAC CT4?
Known issues with the 2021 CADILLAC CT4 include: Transmission Hesitation, Electrical System Failure, Air Bag Malfunction, Tire Issues. These are based on patterns found across 5 NHTSA complaints. 4 of these patterns resulted in formal recalls.
What are the common transmission issues in the 2021 Cadillac CT4?
Transmission issues include hesitation and hard shifting, particularly in the 30k-60k mileage range.
Are there any electrical system problems that I should be aware of?
Yes, electrical system malfunctions, such as power steering loss and warning lights, have been reported.
Can you tell me about the air bag system issues?
Air bag malfunctions have been reported but are less frequent across various models.
Buyer Advice
Our recommendation: Be cautious of transmission and electrical system issues, as they can affect driving safety and comfort.
NHTSA Data Summary for 2021 Cadillac Ct4
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Cadillac Ct4. The data includes 5 consumer complaints filed by vehicle owners, 4 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