Jeep Gladiator 2021–2022 — technical service bulletin
Bulletin S2207000001 · NHTSA communication 10228011 · issued Apr 28, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
4
vehicle entries
Official summary
Coolant Color Looks Lighter Than Service Procedure Coolant
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.