Jeep Grand Wagoneer 2019–2026 — technical service bulletin
Bulletin 109152 · NHTSA communication 11027733 · issued Jan 13, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2019–2026
model years
18
vehicle entries
Official summary
CORE – HEATER
Vehicles covered
- 2022 Jeep Grand Wagoneer
- 2023 Jeep Grand Wagoneer
- 2024 Jeep Grand Wagoneer
- 2025 Jeep Grand Wagoneer
- 2026 Jeep Grand Wagoneer
- 2022 Jeep Wagoneer
- 2023 Jeep Wagoneer
- 2024 Jeep Wagoneer
- 2025 Jeep Wagoneer
- 2026 Jeep Wagoneer
- 2019 RAM 1500
- 2020 RAM 1500
- 2021 RAM 1500
- 2022 RAM 1500
- 2023 RAM 1500
- 2024 RAM 1500
- 2025 RAM 1500
- 2026 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.