Dodge Hornet 2022–2023 — technical service bulletin
Bulletin 9100186 · NHTSA communication 10242707 · issued Jul 17, 2023
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2022–2023
model years
7
vehicle entries
Official summary
Brake Vacuum Pump For DTC Code P258B. Due to brake vacuum pumps being returned with trouble not found, please follow the proper diagnostics outline in the service library this also includes checking all electrical and vacuum hose connections prior to replacement of the vacuum pump. This will avoid unnecessary repair and potential charge back on the vacuum pump.
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.