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Service bulletins for the 2020 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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
ITB20-0302021-01-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; POWER TRAIN. 2019-2020 QX50; CVT FLUID COOLER HOSE LEAK IF YOU CONFIRM CVT fluid is leaking from the upper CVT fluid cooler hose, at the CVT cooler. Or The upper CVT fluid cooler hose has become detached while driving. NOTE: If CVT fluid is leaking from any other location, this bulletin does not apply. Refer to the ESM for further diagnostic and repair information. ACTION Follow the service procedure in this bulletin to replace the upper CVT fluid cooler hose and clamps. • Do NOT follow the procedure in the ESM for CVT fluid cooler hose replacement. • Do NOT reconnect the original upper CVT fluid cooler hose.
ITB17-042c2020-10-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE; EQUIPMENT. INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
ITB20-0182020-08-08. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; EQUIPMENT. POWER BACK DOOR WILL NOT OPERATE WITH REQUEST SWITCHES IF YOU CONFIRM On vehicles equipped with a Kick Motion Activated Liftgate, the back door (liftgate) will not open or close when requested to do so using the: • Intelligent Key • Back door request switch, located on the back door • Automatic back door switch, located on the instrument lower panel LH And DTC B2409 is either current or has been stored in the past. ACTION Replace the automatic back door control module. • Refer to the Electronic Service Manual (ESM) section: BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY > DOOR & LOCK > WITH INTELLIGENT KEY SYSTEM > REMOVAL AND INSTALLATION > AUTOMATIC BACK DOOR CONTROL MODULE.
ITB19-042a2020-04-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. INFINITI; AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
PC714 Retailer I2020-03-07. Service bulletin. EQUIPMENT. PC714 Retailer Inventory as of 2.20.2020
EXPIRATION NOTIF2020-03-07. Service bulletin. EQUIPMENT. American Automobile Labeling Act (AALA) Labels – EXPIRATION NOTICE Retailer Inventory UPDATE February 21, 2020 Please discard earlier versions of this bulletin. INFINITI announced the following quality action in October 2019. Service Comm will de-activate PC714 on any un-remedied VINs on February 28, 2020. INFINITI is still requesting that retailers apply the replacement label on any affected vehicles prior to sale. Please use the VIN list supplied with this announcement to identify applicable vehicles.
ITB19-0442020-01-09. Service bulletin. STRUCTURE; EQUIPMENT. 2019-2020 QX50; DOOR FINISHER DISCOLORATION/FLAKING DUE TO WINDOW TINT INSTALLATION SERVICE INFORMATION If the aluminum trim on any door finisher is discolored and/or flaking on an applied vehicle, this may have been caused by the fluid used to install aftermarket window tinting. Before applying aftermarket window tint/film on an applied vehicle, thoroughly cover the complete door finisher to prevent damage that could be caused by the window tinting fluid. IMPORTANT: Damage to the door finisher will not be considered warrantable if it is found to be caused by the fluid used when installing aftermarket window tinting.
ITB19-0422019-12-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. INFINITI; AV CONTROL UNIT REPLACEMENT PROCESS IF YOU CONFIRM The AV control unit needs to be replaced on an APPLIED VEHICLE. ACTION 1. Read and save the VIN 2. Read and save the configuration 3. Replace the AV control unit 4. Reprogram the AV control unit 5. Configure the AV control unit 6. Write the VIN to the AV control unit IMPORTANT: Procedures 4-6 above must be performed in the order shown below.
ITB19-0302019-11-07. Service bulletin. EQUIPMENT. AV CONTROL UNIT INFORMATION SERVICE INFORMATION The applied vehicles listed above are equipped with a NEW AV control unit that controls the display, audio, Bluetooth®, and navigation systems. This new system uses the AV control unit as the main controller for most functions of the display(s), audio, navigation, and Bluetooth® systems. The display unit(s) only provide input and output to the AV control unit.
ITB19-0292019-11-07. Service bulletin. EQUIPMENT. TELEMATICS (IVC) SERVICE INFORMATION See ITB12-011 for models built before those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active Infiniti InTouch Services™ the TCU communicates with the Infiniti Data Center to provide various security and convenience services. This bulletin contains important service procedures that must be performed properly in order to set-up and maintain the telematics system for the Applied Vehicles. • - A table has been provided on the next page that lists the model and year-specific steps required to successfully configure a TCU after it has been replaced. • - A check OFF sheet has been provided on page 13 to print and check off steps as they are performed. Please staple the completed Check OFF Sheet to the repair order.

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