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Service bulletins for the 2019 Ram 3500

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.

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

By type

By component

By trouble code

By topic

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

Bulletins, newest first
S22230000632023-01-09. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Ambient Temperature Sensor Servicing.
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
S21240000032022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11
S19240000192022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S1924000019RevB2022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
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
24-001-202020-12-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC Housing Service This bulletin informing the Technician about an HVAC housing redesign with components that need to be serviced together when servicing the HVAC housing. Customers may experience the following: Poor Air conditioning system performance (Slow or excess time to cool down). HVAC is slow to cool, left center instrument panel outlet is warmer than right side instrument panel outlets.
24-001-202020-12-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. HVAC Housing Service This bulletin informing the Technician about an HVAC housing redesign with components that need to be serviced together when servicing the HVAC housing. Customers may experience the following: Poor Air conditioning system performance (Slow or excess time to cool down). HVAC is slow to cool, left center instrument panel outlet is warmer than right side instrument panel outlets.
90041672019-12-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL. A/C LINES RAM HD/CC. For AC Refrigerant Low pressure, AC blows warm, Not Cold, not cold enough, there is an investigation for a low charge on the HVAC diagnosis. Please when you detected an issue related with the R134a or 1234YF as a possible leaks, AC blows warm or not cold, prior to replacement or reload refrigerant, contact Juan Carlos Mendez at +52 1 55 1339-0508 (Mexico phone number) or by email: Juan Mendez at juan.mendez1@fcagroup.com Elsy Valencia at elsy.valencia@fcagroup.com Manuel Cruz at manuel.cruz@external.fcagroup.com, to receive more information. In case of suspected loss of refrigerant, A/C system should be thoroughly inspected for evidence of leaks using black light. The system contains fluorescent die which should assist in determining a leak location and mark it. If there is an indication of any leak on the ports/caps, do not remove the ports, consider replacing the complete AC line and return it to FCA for analysis. If there is an indication of any leak on the seal washer, do not remove the washer, consider replacing the complete AC line and return it to FCA for analysis. If no response in 15 minutes, proceed with repair.
549732019-07-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Outlet- Air conditioning & heater

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