Jeep Gladiator 2018–2021 — technical service bulletin
Bulletin S1821000006 · NHTSA communication 10223530 · issued Jun 6, 2020
Technical service bulletin
communication type
Tires
component
2018–2021
model years
8
vehicle entries
Official summary
Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
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.