Chrysler 300 2018 — technical service bulletin
Bulletin S2321000006 · NHTSA communication 10241004 · issued Jun 8, 2023
Technical service bulletin
communication type
Power Train
component
2018
model years
3
vehicle entries
Official summary
Service Transmission Message Illumination. Diagnostic Trouble Code (DTC) P0700-E4 ? Transmission Control System (MIL Request), Set.
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.