Chevrolet Silverado 1500 2021–2023 — technical service bulletin
Bulletin 23-NA-037 · NHTSA communication 10233353 · issued Mar 8, 2023
Technical service bulletin
communication type
Tires
component
2021–2023
model years
6
vehicle entries
Official summary
This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages.
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.