2026 Cadillac CT5 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
4 owner complaints analyzed
1 distinct recall campaigns
1,200 mi median reported failure mileage
Scope: 2026 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Forward Collision Avoidance: Adaptive Cruise Control is the most frequently named component, appearing in 2 of 4 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 2 | 50.0% |
| Braking behavior | 2 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Forward Collision Avoidance: Adaptive Cruise Control | 2 |
| Vehicle Speed Control | 2 |
| Electrical System | 1 |
| Engine | 1 |
| Forward Collision Avoidance: Automatic Emergency Braking | 1 |
| Forward Collision Avoidance: Warnings | 1 |
| Power Train | 1 |
| Unknown Or Other | 1 |
Forward Collision Avoidance: Adaptive Cruise Control: 2; Vehicle Speed Control: 2; Electrical System: 1; Engine: 1; Forward Collision Avoidance: Automatic Emergency Braking: 1; Forward Collision Avoidance: Warnings: 1; Power Train: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (1). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2025 | 1 |
| 2026 | 3 |
2025: 1; 2026: 3
Pattern summary
Forward Collision Avoidance: Adaptive Cruise Control leads the component reports. Transmission and shifting appears in 2 complaint narratives. Braking behavior appears in 2 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11718643 · 2026-02-17 (February 17, 2026)
Catastrophic engine failure within 700 miles Requires full engine replacement Problems began around 150 miles on odometer Message: Reduced accelerated speed Check engine light Service transmission system Service variable valve timing system
Owner-reported narrative. Look up ODI 11718643 at NHTSA ↗
Owner report 11747734 · 2026-07-01 (July 1, 2026)
Adaptive Cruise control acts like it’s going to maintain a gap (user selectable gap distance is able to be manipulated and displayed on drivers information center) but will rush right onto a preceding cars bumper. I’m told that even though manual transmission cars have the components and illusion that adaptive cruise control works, it doesn’t which is bad if you think it will work. Please make adaptive cruise control work in manual transmission CT5s like it does in auto. Similarly, the Surround Video Recorder equipment is installed but doesn’t…
Owner-reported narrative. Look up ODI 11747734 at NHTSA ↗
Owner report 11687842 · 2025-09-17 (September 17, 2025)
The contact owns a 2026 Cadillac CT5. The contact stated that while driving the vehicle with the Super Cruise feature activated, the message indicated a road construction zone, and the brakes independently activated. The contact stated that there was no road construction nearby. The contact reset the super cruise control feature. The contact stated that while the super cruise control was set at 75 MPH, the vehicle unintendedly accelerated to 100 MPH within seconds. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. …
Owner-reported narrative. 1,200 miles reported. Look up ODI 11687842 at NHTSA ↗
Owner report 11738910 · 2026-05-19 (May 19, 2026)
While driving vehicle at approximately 50 mph in normal driving conditions, the vehicle’s automatic emergency braking/forward collision system activated an alert when a vehicle ahead of me slowed and turned out of my lane. After the lane was fully clear and there was no obstacle in front of the vehicle, the system aggressively braked and brought the car completely to a stop on the highway. During the event, the vehicle temporarily would not respond to accelerator input even while pressing the gas pedal. This created an extremely dangerous situa…
Owner-reported narrative. Look up ODI 11738910 at NHTSA ↗