2020 Cadillac XT4 Fuel system Problems
- Complaints
- 1about this part
- Share
- 6%of 18 total for the year
- Median mileage
- 56,400miles
- 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 XT4, 6% of the 18 complaints for this model year. Where a mileage was given, the median is 56,400 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.
“The contact owns a 2020 Cadillac XT4. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The vehicle was taken to Auto Zone, where it was diagnosed and determined that the EVAP pump (Evaporative Emissions System) was leaking. The vehicle was not taken to the dealer or to an independent mechanic. The vehicle was not repaired. Additionally, the contact noticed that the fuel mileage of the vehicle was fluctuating. The contact stated that the vehicle made an abnormal sputtering sound and delayed starting while pressing the Push to Start button. …”
NHTSA complaint #11701521, filed 2025-11, 56,400 milesRelated service bulletins
- 11019378Apr 12, 2025This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated…
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- 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…
- 10254012Apr 17, 2024This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center (DIC) with DTC P0451 Set.
- 10253062Mar 5, 2024This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to…
- 10253061Mar 4, 2024This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel…
Fuel system: other model years
Other parts of the 2020 Cadillac XT4
5 complaintsOther or unknown
5 complaintsEngine
4 complaintsForward collision avoidance
3 complaintsElectrical system
2 complaintsSuspension
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsLane departure
1 complaintsSteering
1 complaintsTires
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2020 Cadillac XT4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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