Chrysler 300 2023 — technical service bulletin
Bulletin 1100123 · NHTSA communication 10242817 · issued Jul 20, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
3
vehicle entries
Official summary
Underbody Heat Shield Missing Battery Compartment (12-Volt) hot to touch (can result in 12-Volt battery deterioration). This bulletin involves installing an underbody heat shield.
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.