Ford F-150 2021 — technical service bulletin
Bulletin TSB 22-2129 · NHTSA communication 10210388 · issued Apr 13, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official 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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.