Ford Bronco 2021–2022 — technical service bulletin
Bulletin TSB 22-2210 · NHTSA communication 10212928 · issued May 27, 2022
Technical service bulletin
communication type
Service Brakes
component
2021–2022
model years
2
vehicle entries
Official summary
Customers who neutral (4-wheel flat) tow 2021-2022 Broncos equipped with an electronic brake booster (EBB) may report an inconsistent brake assist when a supplemental braking system has been installed. This may result from supplemental brake system set-up that does not account for the Bronco's EBB system entering sleep mode (via the ABS module) after a pre-determined period of time following vehicle shut-down. This functionality is necessary to prevent battery drain. Enhanced software is under development to address this condition when the vehicle enters Neutral Tow mode. The new software is e
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.