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Service bulletins for the 2016 Infiniti Q50

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.

211 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
ITB09041A2021-05-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. IF YOU CONFIRM A refrigerant leak at a refrigerant pipe/hose joint location, ACTIONS 1. Inspect the metal surfaces of the pipe/hose joint for damage or contamination. NOTE: Do not replace a refrigerant pipe, hose, or other A/C component if an o-ring seal will solve the leak incident, if it should occur. 2. If no damage is found to the joint metal surfaces, replace the O-ring seal. See this bulletin for further detail.
ITB16-037a2017-10-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2014-2016 Q50; INCORRECT DIFFERENCE IN HVAC VENT TEMPERATURES The information in the previous version of this bulletin is no longer valid. Please discard the previous version of this bulletin.
ITB16-037c2017-10-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 2014-2016 Q50; INCORRECT DIFFERENCE IN HVAC VENT TEMPERATURES This bulletin has been amended throughout. Discard all previous versions of this bulletin.
ITB16-0372017-02-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. "2014-2016 Q50; INCORRECT DIFFERENCE IN HVAC VENT TEMPERATURES IF YOU CONFIRM: THE DRIVER SIDE VENT IS WARMER BY 10°F OR MORE THAN THE PASSENGER SIDE WITH THE HVAC’S DUAL TEMP MODE SELECTED AND THE A/C SET ON BOTH SIDES AT 60°F. - THIS INCIDENT, IF IT SHOULD OCCUR, MAY BE INTERMITTENT. ACTION: USING THE SERVICE PROCEDURE IN THIS BULLETIN, REPLACE THE AIR MIX DOOR MOTOR LH AND THE AIR MIX DOOR LEVER LH WITH THE ONES FROM THE PARTS INFORMATION SECTION OF THIS BULLETIN."

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