Service bulletins for the 2019 Infiniti QX50
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.
172 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
| ITB22-025B | 2023-12-08. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING. ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
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| ITB22-025A | 2022-10-07. Service bulletin. ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
| ITB18-044 | 2019-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2019 QX50; INSPECTING FOR REFRIGERANT LEAKS SERVICE INFORMATION When inspecting the Air Conditioning (A/C) system in the applied vehicle for refrigerant leaks, some of the refrigerant connections may be difficult to see. - See Figure 1 on the next page for areas that should be inspected whenever the A/C system is inspected for refrigerant leaks. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.