Chrysler 300 2013–2016 — technical service bulletin
Bulletin UB4 Rev. 5 · NHTSA communication 10175109 · issued Mar 25, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2016
model years
10
vehicle entries
Official summary
Revised Emissions Recall UB4 Evaporative Emissions Canister
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.