Chrysler 300 2020–2021 — technical service bulletin
Bulletin S2108000092 · NHTSA communication 10221136 · issued Apr 9, 2021
Technical service bulletin
communication type
Steering
component
2020–2021
model years
6
vehicle entries
Official summary
Comfort Seat Module Setting DTC B10C4 - 4B Heated Steering Wheel Control-Over Temperature
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.