Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● Engine knocking...
Jeep technical service bulletin 18-027-25 for 2022 Jeep Wrangler.
- Bulletin number
- 18-027-25
- Component
- Electrical system
- Summary
- "Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● Engine knocking or ""pinging"" during extreme hot and dry ambient temperatures if only using 91 Octane fuel This bulletin involves reprogramming the PCM with the latest available software."
Owners of these vehicles have filed 175 complaints in the electrical category.
Vehicles covered
- Jeep Wrangler 2022 2022
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