Ford Bronco 2021 — technical service bulletin
Bulletin SSM 49920 · NHTSA communication 10199494 · issued Jul 1, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Some 2021 Bronco vehicles equipped with front and rear parking aid sensors may set diagnostic trouble codes (DTCs) for all 8 parking aid sensors/circuits if 2 or more rear parking aid sensors/circuits have a concern. This is due to the software within the parking aid module (PAM), and module replacement will not resolve this condition. If the PAM sets DTCs for all 8 parking aid sensors/circuits, diagnose the rear parking aid sensor and circuit DTCs first. Reference Workshop Manual (WSM), Section 413-13A for parking aid diagnostic information. Ford is currently working on a software update that
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.