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April 13, 2022 Service bulletin

IPC reboots during an incoming or outgoing cell phone call when a cell phone is connected to the SYNC 4 system

Ford technical service bulletin TSB 22-2129 for 2021 Ford F-150.

Bulletin number
TSB 22-2129
Component
Electrical system: software
Summary
Some 2021 F-150 vehicles built on or before 22-Jul-2021 at Dearborn Truck Plant or 2021 F-150 vehicles built on or before 07-Oct-2021 at Kansas City Assembly Plant may experience the IPC reboots during an incoming or outgoing cell phone call when a cell phone is connected to the SYNC 4 system. This may be due to the software in the IPC. To correct the condition, follow the Service Procedure to reprogram the IPC.

Owners of these vehicles have filed 130 complaints in the electrical category.

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