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March 4, 2022 Service bulletin

Heated Seat Calibration Update This bulletin involves updating the HVAC module with the latest software...

Jeep technical service bulletin 2300622 REVB for 2022 Jeep Grand Wagoneer.

Bulletin number
2300622 REVB
Component
Seats: front assembly: seat heater/cooler
Summary
Heated Seat Calibration Update This bulletin involves updating the HVAC module with the latest software for vehicles built before January 05 2022, checking the operation of the front heated seats and repair as required. Customers may comment on the following: Front row heated seats (driver and/or passenger) will not stay on and shuts itself off in less then 15 minutes while occupied.Customerswill not experience a Malfunction Indicator Lamp (MIL) illumination or Diagnostic Trouble Codes (DTCs) for this symptom/condition.

Owners of these vehicles have filed 7 complaints in the seats category.

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