Fuel systemPart report
2020 Cadillac CT5 Fuel system Problems
- Complaints
- 1about this part
- Share
- 3%of 39 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2020 Cadillac CT5, 3% of the 39 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- 11011885Dec 14, 2024This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed…
- 11007095Aug 7, 2024This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles…
- 11004727Jun 29, 2024This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 11002011Jun 4, 2024This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
Fuel system: other model years
Other parts of the 2020 Cadillac CT5
Transmission and drivetrain
15 complaintsOther or unknown
11 complaintsElectrical system
8 complaintsEngine
7 complaintsBody and structure
5 complaintsLatches, locks and linkages
2 complaintsSteering
2 complaintsVehicle speed control
2 complaintsWheels
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
15 complaintsOther or unknown
11 complaintsElectrical system
8 complaintsEngine
7 complaintsBody and structure
5 complaintsLatches, locks and linkages
2 complaintsSteering
2 complaintsVehicle speed control
2 complaintsWheels
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2020 Cadillac CT5
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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