RAM Promaster 2022–2023 — technical service bulletin
Bulletin 9100168 · NHTSA communication 10239860 · issued May 17, 2023
Technical service bulletin
communication type
Service Brakes
component
2022–2023
model years
2
vehicle entries
Official summary
Brake Master Cylinder Before replacing this part, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
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.