Jeep Gladiator 2020–2021 — technical service bulletin
Bulletin 9004376 Rev. A · NHTSA communication 10198299 · issued May 26, 2021
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
6
vehicle entries
Official summary
PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair.
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.