Service bulletins for the 2020 Dodge Challenger
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.
321 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
| S2124000004 | 2022-09-26. 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 |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.