Jeep Gladiator 2014–2021 — technical service bulletin
Bulletin S1818000024RevB · NHTSA communication 10219989 · issued Aug 31, 2021
Technical service bulletin
communication type
Fuel System, Diesel
component
2014–2021
model years
17
vehicle entries
Official summary
Diesel Fuel Injector Cleaning Procedure
Vehicles covered
- 2021 Jeep Gladiator
- 2014 Jeep Grand Cherokee
- 2015 Jeep Grand Cherokee
- 2016 Jeep Grand Cherokee
- 2017 Jeep Grand Cherokee
- 2018 Jeep Grand Cherokee
- 2019 Jeep Grand Cherokee
- 2020 Jeep Wrangler
- 2021 Jeep Wrangler
- 2014 RAM 1500
- 2015 RAM 1500
- 2016 RAM 1500
- 2017 RAM 1500
- 2018 RAM 1500
- 2019 RAM 1500
- 2020 RAM 1500
- 2021 RAM 1500
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.