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Jeep TSB #2400823
2023 Jeep Grand Wagoneer
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates Customers may experience one or more of the following HVAC A/C cool down concerns: ? Insufficient A/C performance for both the first and second row comfort. ? Poor heated/vented seat performance This bulletin involves reprogramming the HVAC with the latest available software.
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