Flash: Powertrain Control Module (PCM) Updates
Jeep technical service bulletin 1804422 for 2022 Jeep Grand Wagoneer.
- Bulletin number
- 1804422
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.The PCM software update is being released as a generic release to support PCM replacement only in service.
Owners of these vehicles have filed 23 complaints in the electrical category.
Vehicles covered
- Jeep Grand Wagoneer 2022 2022
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