Ford Bronco 2023 — technical service bulletin
Bulletin SSM 51924 · NHTSA communication 10243536 · issued Sep 14, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
2023 Bronco vehicles built on or before 11-Jul-2023 and equipped with a 6-speaker sound system includes a non-operational rear amplifier. This non-operational amplifier (service part number N2DZ-18C804-B) will not produce sound by design from the rear subwoofer. The Ford accessories team offers a JBL sound bar for Bronco. The JBL sound bar is not compatible and will not function with Bronco vehicles equipped with the 6 speaker sound system built on or before 11-Jul-2023. The JBL non-amplified sound bar Ford accessory part numbers VM2DZ18808J and VM2DZ18808K will not work with this vehicle conf
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.