Jeep Gladiator 2020 — technical service bulletin
Bulletin 9004331 · NHTSA communication 10184677 · issued Nov 18, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
1
vehicle entries
Official summary
Mopar Trailer Brake Controller Disregard ADH sales code reference in I-sheet. Optional harness 82216416A$ referenced in I-sheet is used for Wrangler only without factory trailer tow.
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.