2020 Cadillac CT5 Body and structure Problems
- Complaints
- 5about this part
- Share
- 13%of 39 total for the year
- Median mileage
- 75,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the body and structure of the 2020 Cadillac CT5, 13% of the 39 complaints for this model year. Where a mileage was given, the median is 75,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I am receiving notice on the speed screen telling me the door lock need service. I never had a cadillac to tell me something about door lock need service.I have had others 2000 Deville,2017 Cts and now this 2020 Ct5 which i have had so many problem with.But now i am concern about this door problem that is causing alarm system to go off.”
NHTSA complaint #11657343, filed 2025-04“Door handle opening mechanism has not been working correctly for over a year. Multiple attempts to open the door will finally work and the door will open. This is a life safety issue that I have taken up with GM multiple times now and they refused to cover the vehicle. When looking online, dozens of other individuals have also complained about this exact issue.”
NHTSA complaint #11701649, filed 2025-11“Electronic door hand on the drivers side completely stopped working, with little warning. This includes the proximity unlock feature and unlocking the car with the fob. If this were to have happened to all four doors at once, it would have been impossible to enter the car without breaking the glass. This is not safe.”
NHTSA complaint #11752920, filed 2026-07“Outer door handle/opening electronic mechanism on multiple doors Defect will inhibit persons from providing emergency service in case of accident Drivers door handle assy. was replaced under warranty, rear passenger door now has same problem No warnings are displayed”
NHTSA complaint #11644689, filed 2025-02“The contact owns a 2020 Cadillac CT5. The contact stated that the check engine warning light was illuminated. The contact had noticed an oil leak and that the battery charge was abnormally low. The contact received an alert from OnStar pertaining to the critically low battery. Additionally, the contact noticed that there was an abnormal squishing sound coming from the dashboard, and the contact believed that the sound was coming from an animal that had intruded into the vehicle. The local dealer was contacted, but the vehicle was not diagnosed or repaired. …”
NHTSA complaint #11705360, filed 2025-12, 75,000 milesRelated service bulletins
- 11015382Feb 20, 2025This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
- 11014238Jan 30, 2025This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11013269Jan 16, 2025This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
- 11011709Nov 5, 2024This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11010493Oct 5, 2024This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11009764Sep 21, 2024This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- 11006402Aug 15, 2024This Preliminary information communicates that a service door latch system message maybe displayed without any related DTC's.
Body and structure: other model years
Other parts of the 2020 Cadillac CT5
15 complaintsOther or unknown
11 complaintsElectrical system
8 complaintsEngine
7 complaintsLatches, locks and linkages
2 complaintsSteering
2 complaintsVehicle speed control
2 complaintsWheels
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsFuel system
1 complaints
← All problems reported for the 2020 Cadillac CT5
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology