Chrysler 300 2012 — technical service bulletin
Bulletin CSN-M30 · NHTSA communication 10048062 · issued Oct 1, 2012
Technical service bulletin
communication type
Power Train
component
2012
model years
2
vehicle entries
Official summary
Dodge/chrysler: see document search button for owner letter. Internal temperature too high diagnostic fault causes permanent malfunction indicator lamp (mil) to illuminate due to inadvertently programming software to not run position valve stuck diagnostics or permanently set internal temperature. Model 2012 charger, 300. *pe
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.