2023 Cadillac CT5 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 11 verified NHTSA owner complaints, 1 federal safety recalls, and interquartile failure mileage telemetry.
The 2023 Cadillac CT5 receives a 6.1/10 MazicBay Reliability Index based on 11 verified NHTSA federal complaints and 1 safety recalls. The primary reported failure mode is Transmission Hesitation, Hard Shifting & Slipping Reports with a median failure point at 31,372 miles (IQR: 26,686 – 36,058 mi). Out-of-warranty repairs benchmark at $1,400 – $3,800 .
2.4 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
1 Active / Free Remedies
Top Reported Problem Clusters (5)
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The valve body in the ten speed transmission failed while driving. The transmission did a rough shift and a message popped up on the display saying that power has been reduced along with the check engine light illuminating. The transmission reduced usable gears to prevent dama...”
“I purchased a 2023 Cadillac CT5 from a Cadillac dealership in Cleveland, Ohio on June 24th, 2025 with slightly under 18K miles. On July 30th, I took the car to a local Cadillac dealer due to on a few occasions, while driving down the highway, the car went into "decreased accel...”
“At 22,000 miles, driving along at approximately 40mph, vehicle felt like it surged - check engine light went on and message of "limited acceleration - drive with care" appeared. Key cycled the car, CEL and message remained. Car would then not drive higher than 3rd or 4th gear ...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“Incident Overview: A Continental Control Contact Sport SRS+ tire (DOT 5323) experienced a catastrophic internal structural failure during normal driving on a wet roadway. The tire had approximately 50% tread remaining and was 1–1.5 years old. Failure Description: Inspection in...”
“The lane departure didn’t work as expected to avoid a crash. I was hurt and bruised due to the air bags never deployed after hit on right wheel number flew off causing my to go into 5 guard rails . The whole front end was destroyed into pieces “no airbags” I’m lucky to be aliv...”
“The contact owned a 2023 Cadillac CT5. The contact stated that while exiting the highway on the far right lane on a 2-lane exit at 45 MPH, a message appeared on the instrument panel that read "Steering assistance reduced, drive with care" and "Service Power Steering". The cont...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“The valve body in the ten speed transmission failed while driving. The transmission did a rough shift and a message popped up on the display saying that power has been reduced along with the check engine light illuminating. The transmission reduced usable gears to prevent dama...”
“At 22,000 miles, driving along at approximately 40mph, vehicle felt like it surged - check engine light went on and message of "limited acceleration - drive with care" appeared. Key cycled the car, CEL and message remained. Car would then not drive higher than 3rd or 4th gear ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“Entire electrical and safety systems, every light on dashboard was lit up, all kinds of safety warning light were on! Because manufacturer uses plant-based materials to wrap wiring, it caused an infestation of rodents that had a snack on my wiring! I could have been in real sa...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“The contact owned a 2023 Cadillac CT5. The contact stated that while exiting the highway on the far right lane on a 2-lane exit at 45 MPH, a message appeared on the instrument panel that read "Steering assistance reduced, drive with care" and "Service Power Steering". The cont...”
Official NHTSA Safety Recalls (1)
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
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."
Pre-Purchase Inspection Checklist for 2023 Cadillac CT5
Before purchasing a used 2023 Cadillac CT5, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 1 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2023 Cadillac CT5
Is the 2023 Cadillac CT5 a reliable used car?
The 2023 Cadillac CT5 earns a 6.1/10 MazicBay Reliability Index based on 11 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2023 Cadillac CT5?
The leading complaint category is Transmission Hesitation, Hard Shifting & Slipping Reports, with a median failure point around 31,372 miles (IQR: 26,686 – 36,058 mi).
Are there free recall repairs available for the 2023 Cadillac CT5?
Yes, the NHTSA records 1 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.

