Chrysler 300 2012 — technical service bulletin
Bulletin CSN-M-04 · NHTSA communication 10045020 · issued Mar 1, 2012
Technical service bulletin
communication type
Engine
component
2012
model years
4
vehicle entries
Official summary
Dodge/chrysler/jeep: see document search button for owner letter. In manual (user guide), stated incorrectly engine oil (sae 5w-40), instead of correctly engine oil (sae 0w-40 full synthetic engine oil. *pe
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.