Jeep Gladiator 2018–2026 — technical service bulletin
Bulletin 113270 · NHTSA communication 11035077 · issued Jul 7, 2026
Technical service bulletin
communication type
Engine
component
2018–2026
model years
22
vehicle entries
Official summary
CORE – HEATER
Vehicles covered
- 2020 Jeep Gladiator
- 2021 Jeep Gladiator
- 2022 Jeep Gladiator
- 2023 Jeep Gladiator
- 2024 Jeep Gladiator
- 2025 Jeep Gladiator
- 2026 Jeep Gladiator
- 2018 Jeep Wrangler
- 2019 Jeep Wrangler
- 2020 Jeep Wrangler
- 2021 Jeep Wrangler
- 2022 Jeep Wrangler
- 2023 Jeep Wrangler
- 2024 Jeep Wrangler
- 2025 Jeep Wrangler
- 2026 Jeep Wrangler
- 2021 Jeep Wrangler 4XE
- 2022 Jeep Wrangler 4XE
- 2023 Jeep Wrangler 4XE
- 2024 Jeep Wrangler 4XE
- 2025 Jeep Wrangler 4XE
- 2026 Jeep Wrangler 4XE
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.