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Service bulletins for the 2021 Chrysler Pacifica

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

700 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Heating and air conditioning are shown. Show all

Bulletins, newest first
24006232023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
24006232023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles)
08048212022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates This bulletin involves reprogramming the HVAC Module with the latest available software. Customers may comment on the following: Temperature settings in the radio only being selectable at Lo or Hi. No intermediate temperature changes are possible.
S21240000042022-09-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
S20080001872020-12-28. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC Module Sets B160F Twilight/Ambient Light Sensor Input
S20080001872020-12-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Module Sets B160F Twilight/Ambient Light Sensor Input
S20080001472020-10-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Ambient Air Temperature Connector Loose. MIL Illuminated, DTC P0070-15 and P0073 Active

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.