Jeep Gladiator 2021–2026 — technical service bulletin
Bulletin 105648 · NHTSA communication 11020858 · issued Jul 15, 2025
Technical service bulletin
communication type
Engine
component
2021–2026
model years
60
vehicle entries
Official summary
Module - engine controller
Vehicles covered
- 2021 Jeep Gladiator
- 2022 Jeep Gladiator
- 2023 Jeep Gladiator
- 2024 Jeep Gladiator
- 2025 Jeep Gladiator
- 2026 Jeep Gladiator
- 2021 Jeep Grand Cherokee
- 2022 Jeep Grand Cherokee
- 2023 Jeep Grand Cherokee
- 2024 Jeep Grand Cherokee
- 2025 Jeep Grand Cherokee
- 2026 Jeep Grand Cherokee
- 2021 Jeep Grand Cherokee 4XE
- 2022 Jeep Grand Cherokee 4XE
- 2023 Jeep Grand Cherokee 4XE
- 2024 Jeep Grand Cherokee 4XE
- 2025 Jeep Grand Cherokee 4XE
- 2026 Jeep Grand Cherokee 4XE
- 2021 Jeep Grand Cherokee L
- 2022 Jeep Grand Cherokee L
- 2023 Jeep Grand Cherokee L
- 2024 Jeep Grand Cherokee L
- 2025 Jeep Grand Cherokee L
- 2026 Jeep Grand Cherokee L
- 2021 Jeep Grand Wagoneer
- 2022 Jeep Grand Wagoneer
- 2023 Jeep Grand Wagoneer
- 2024 Jeep Grand Wagoneer
- 2025 Jeep Grand Wagoneer
- 2022 Jeep Wagoneer
- 2023 Jeep Wagoneer
- 2024 Jeep Wagoneer
- 2025 Jeep Wagoneer
- 2026 Jeep Wagoneer
- 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
- 2021 RAM 1500
- 2022 RAM 1500
- 2023 RAM 1500
- 2024 RAM 1500
- 2025 RAM 1500
- 2021 RAM 2500
- 2022 RAM 2500
- 2023 RAM 2500
- 2024 RAM 2500
- 2025 RAM 2500
- 2021 RAM 3500
- 2022 RAM 3500
- 2023 RAM 3500
- 2024 RAM 3500
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.