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Service bulletins for the 2018 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.

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

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

Bulletins, newest first
90032932022-07-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Pressure Transducer A/C inoperative and diagnosis leads to pressure transducer. Call Steve Rice at cell (248) 867-0061 before replacing the pressure transducer. If no response in 15 minutes, please proceed with repair.
24-012-192019-12-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:SOFTWARE. Flash: HVAC System Enhancement This bulletin involves reprogramming the Heating Ventilation Air Conditioning (HVAC)Module with new software. Customers may experience one of the following:Unpleasant odor in the vehicle after driving from highway speed limits back downto city speed limits. The left temperature door is inoperable(2014-2018 Vehicles Only). Updating the HVAC software will correct these conditions.
90040362019-07-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. ACTUATOR, A/C and Heater Before replacing HVAC actuator, please contact either Thomas Conway (248) 635-7090 or Paul Aquino (248) 854-4819. Engineering is looking to gather infomation on fail mode and customer concern. If no response in 15 minutes, proceed with repair.

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