Chrysler 300M 1998–2000 — technical service bulletin
Bulletin 240200 · NHTSA communication 610638 · issued Mar 24, 2000
Technical service bulletin
communication type
Visibility
component
1998–2000
model years
12
vehicle entries
Official summary
Some vehicles may exhibit erratic operation of the a/c and heater systems including: lack of cold air, lack of hot air, unrequested mode change (atc only), no control of mode or temperature control or dithering / tapping blend door noise. *tt
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.