2026 Cadillac Lyriq Fuel system Problems
- Complaints
- 1about this part
- Share
- 13%of 8 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the fuel system of the 2026 Cadillac Lyriq, 13% of the 8 complaints for this model year.
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.
“On October 28, 2026, my spouse was driving our 2026 Cadillac LYRIQ Premium Luxury RWD on the highway when the vehicle unexpectedly displayed a warning and began losing propulsion, progressively decelerating without driver command. Multiple additional warnings appeared, including Service Traction Control, Service Battery, Brake System Failure, and a 62 mph maximum speed restriction. The driver was overwhelmed by the rapidly appearing warnings and unexpected deceleration. …”
NHTSA complaint #11774509, filed 2026-10Related service bulletins
- 11033006May 27, 2026• Improvements to diagnostics and service messaging for battery health, particularly in humid conditions. • Improvements to transmission diagnostics used for shifting. •…
- 11024324Sep 4, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11023365May 14, 2025This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
- 11019624Apr 25, 2025This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
- 11017260Mar 26, 2025This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
- 11017173Mar 21, 2025This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
Fuel system: other model years
Other parts of the 2026 Cadillac Lyriq
3 complaintsForward collision avoidance
3 complaintsBrakes
2 complaintsExterior lighting
2 complaintsEngine
1 complaintsBody and structure
1 complaints
← All problems reported for the 2026 Cadillac Lyriq
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