April 12, 2023 Service bulletin

Some 2023 F-150 non-Lightning vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or...

Ford technical service bulletin TSB 23-2121 for 2023 Ford F-150.

Bulletin number: TSB 23-2121
Component: Electrical system
Summary: Some 2023 F-150 non-Lightning vehicles built on or before 28-Feb-2023 at Kansas City Assembly Plant or built on or before 07-Mar-2023 at Dearborn Truck Plant may experience an inoperative FordPass application, inoperative remote start and/or inoperative remote lock and unlock that may be combined with diagnostic trouble codes (DTC) U0146:09 stored in the telematics control unit (TCU) and U2402:00 and/or U2402:92 stored in the gateway module (GWM). This may be due to the software level in the GWM. To correct the condition, follow the Service Procedure to update the GWM to the latest software level via a coordinated flash.

Owners of these vehicles have filed 85 complaints in the electrical category.

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