Chrysler Pacifica 2021–2022 — technical service bulletin
Bulletin 9004502 · NHTSA communication 10223021 · issued Mar 17, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
4
vehicle entries
Official summary
HEATER, Electric Coolant Please make sure the technician reviews SOL Publication S2208000041 for the 2021 RU, and SOL Publication S2208000042 for the 2022 RU. There have been many Electric Coolant Heater orders and replacements when the part replacement is unnecessary. The released SOL Publications provide guidance to properly identify if this part actually needs to be replaced.
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.