Chevrolet Silverado 2500 2024–2025 — technical service bulletin
Bulletin PIT6224A · NHTSA communication 11014055 · issued Feb 5, 2025
Technical service bulletin
communication type
Unknown / Other
component
2024–2025
model years
6
vehicle entries
Official summary
This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.