Ford Bronco Sport 2020–2022 — technical service bulletin
Bulletin SSM 51778 · NHTSA communication 10239099 · issued Jul 7, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2020–2022
model years
10
vehicle entries
Official summary
Some 2020-2021 Escape built on/before 23-Nov-2021, 2021 F-150 built on/before 08-Oct-2021, 2021 Mustang Mach-E built on/before 29-Mar-2021, 2021 Expedition built on/before 05-Aug-2021, 2021 Explorer built on/before 27-Sep-2021 and 2020-2022 Edge may exhibit a concern of the audio system does not power on, no sound from audio speakers, chimes default to coming through the instrument cluster, no communication with audio control module (ACM) or digital signal processor (DSP) module, and/or diagnostic trouble code (DTC) U0184, U0237 and/or U0238. To correct the condition, perform a hard reset of t
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.