July 21, 2021 Service bulletin

Some 2020-2021 Corsair/Nautilus/Navigator/Aviator, 2021 F-150/Mustang Mach-E vehicles equipped with...

Ford technical service bulletin SSM 49968 for 2021 Ford F-150, 2007, 2020 Lincoln MKX and 2020-2021 Lincoln Navigator and others.

Bulletin number: SSM 49968
Component: Electrical system
Summary: Some 2020-2021 Corsair/Nautilus/Navigator/Aviator, 2021 F-150/Mustang Mach-E vehicles equipped with Phone-as-a-Key may have diagnostic trouble code(s) (DTC) U200D:15, U200E:15, U200F:15, B15 :31, B15 :49 and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs are detected during normal diagnostics, clear the DTCs, reflash RFA to the latest software level and start a new Ford Diagnosis and Repair System (FDRS) session. Verify that DTCs are no longer present. If only the B15 :31, B15 :57 and/or B15A5:56 DTC(s) returns in the RFA after a self test, follow normal Workshop Manual (WSM) diagnostics, Section 419-01C.

Owners of these vehicles have filed 380 complaints in the electrical category.

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