Peterbilt 365 2021–2024 — technical service bulletin
Bulletin E316 · NHTSA communication 11035430 · issued Aug 1, 2026
Technical service bulletin
communication type
Engine
component
2021–2024
model years
12
vehicle entries
Official summary
235 chassis have been removed from the chassis list and unflagged in PRWS due to expiration of applicable warranty coverage. 5 chassis have been added to the chassis list. The total chassis population is now 15,637.
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.