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May 13, 2023 Service bulletin

Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ? Poor or reduced...

Jeep technical service bulletin 1805923 for 2023 Jeep Wagoneer.

Bulletin number
1805923
Component
Electrical system
Summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ? Poor or reduced air conditioning performance during wide open throttle or heavy acceleration. This bulletin involves reprogramming the PCM with the latest available software.

Owners of these vehicles have filed 51 complaints in the electrical category.

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