Freightliner Sprinter 1500 2019 — technical service bulletin
Bulletin 1TD-A4B8F-04 · NHTSA communication 10174944 · issued May 4, 2020
Technical service bulletin
communication type
Tires
component
2019
model years
9
vehicle entries
Official summary
Tire Inflation System Thru-Tee components clarification for installation
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.