Jeep Gladiator 2020–2021 — technical service bulletin
Bulletin Y81 · NHTSA communication 10229103 · issued Mar 8, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2020–2021
model years
5
vehicle entries
Official summary
Emissions Recall Y81 Diesel Exhaust Fluid Inducement
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.