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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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Bulletins, newest first
ITB20-023a2021-03-06. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; EQUIPMENT. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-021a2021-03-06. Service bulletin. ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-013b2021-03-06. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE: SENSING SYSTEM: OTHER. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-026a2021-02-06. Service bulletin. ELECTRICAL SYSTEM. TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-025a2021-02-06. Service bulletin. ELECTRICAL SYSTEM. DTC B2724-23 AND/OR C1B56-04 STORED, AND/OR RAB ERROR MESSAGE OR WARNING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-029a2021-02-06. Service bulletin. ELECTRICAL SYSTEM. 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™ subscription 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 11 to print and check off steps as they are performed. Please staple the completed Check OFF Sheet to the repair order.
ITB20-006a2021-01-09. Service bulletin. VISIBILITY. WINDSHIELD WIPER BLADE PERFORMANCE/DIAGNOSIS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
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.
ITB20-0262020-12-08. Service bulletin. ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION SERVICE INFORMATION The Telematics Control Unit (TCU) has the ability to send an automatic collision notification when the vehicle is involved in an accident. Once an automatic collision notification is performed, the function becomes disabled. The TCU must be reset to re-enable the automatic collision notification function. This bulletin describes how to reset the TCU after an automatic collision notification has been performed.
ITB20-0252020-12-08. Service bulletin. SERVICE BRAKES. DTC B2724-23 AND/OR C1B56-04 STORED, AND/OR RAB ERROR MESSAGE OR WARNING IF YOU CONFIRM One or both of the following DTCs are stored: • B2724-23 (SONAR CONTROL UNIT - SONAR ECU INTERNAL FAILURE [UNDER VOLTAGE]) • C1B56-04 (SONAR CIRCUIT - SYSTEM INTERNAL MALFUNCTION) NOTE: A RAB warning may appear in the vehicle information display. ACTION Reprogram the Sonar Control Unit, if applicable.
ITB19-013a2020-12-08. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE: SENSING SYSTEM: CAMERA. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-0232020-10-08. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM SERVICE INFORMATION If the lane camera requires aiming, the values in Table A on page 4 must be used. • For all other models, consult the Electronic Service Manual (ESM). The following CONSULT-III plus (C-III plus) figures and steps are only provided to indicate where the VEHICLE REFERENCE VALUE from Table A is to be entered. The entire camera aiming procedure must be followed to complete the aiming procedure. • Refer to the Electronic ESM section: CRUISE CONTROL & DRIVER ASSISTANCE > DRIVER ASSISTANCE SYSTEM > DRIVER ASSISTANCE SYSTEM > BASIC INSPECTION > LANE CAMERA UNIT > CAMERA AIMING ADJUSTMENT. 1. Turn the ignition ON. 2. From the C-III plus home screen, select Diagnosis (One System).
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.
ITB20-0212020-09-11. Service bulletin. ELECTRICAL SYSTEM. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue, always confirm that the latest software is installed in the AV control unit before starting the diagnosis. The software update in the following Service Procedure is for the items below: • Stability improvements and “bug” fixes Refer to steps 1 - 4 to confirm that this bulletin applies. HINT: The software update only needs to be downloaded once and can then be used on multiple Applied Vehicles until other infotainment software is loaded onto the USB drive to overwrite the original data.
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.
ITB20-0142020-04-08. Service bulletin. WHEELS. 2020 QX50; REAR WHEEL ALIGNMENT SERVICE INFORMATION SERVICE INFORMATION Some wheel alignment specifications listed in the Rear Suspension section of the Electronic Service Manual (ESM) have been revised. Until the updated ESM is made available, use the revised specifications listed in this bulletin.
ITB20-0092020-04-07. Service bulletin. STRUCTURE. 2019-2020 QX50; MOONROOF ASSEMBLY REPLACEMENT IF YOU CONFIRM The moonroof assembly needs to be replaced for any reason AND The replacement moonroof part number is one of the following: • - 91205-5NA0A • - 91205-5NA0B • - 91205-5NA0C ACTION Apply flocking tape to the moonroof inner finishers per ITB20-008. • - Refer to PARTS INFORMATION on the last page of this bulletin for flocking tape.
ITB20-0082020-04-07. Service bulletin. STRUCTURE; VISIBILITY:SUN/MOON ROOF ASSEMBLY. 2019-2020 QX50; RATTLE FROM MOONROOF Refer to the SERVICE PROCEDURE on page 2 if directed here from ITB20-009. IF YOU CONFIRM A rattle type noise is coming from the moonroof in the areas circled in green in Figure 1 AND The rattle goes away after removing the moonroof inner finisher(s). NOTE: The rattle noise may be intermittent and may be heard from one or both sides of the vehicle. ACTION Apply flocking tape to the moonroof inner finisher on both sides of the vehicle.
ITB17-001a2020-04-07. Service bulletin. POWER TRAIN. FLUID LEAK CAUSED BY TRANSFER ASSEMBLY RIGHT SIDE DRIVE SHAFT SEAL 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.
REVISION 1 - PC72019-11-08. Service bulletin. UNKNOWN OR OTHER. American Automobile Labeling Act (AALA) Labels Retailer Inventory UPDATE October 25, 2019 Please discard earlier versions of this bulletin. The announcement from October 22, 2019 has been revised to include: • - Label shipments have been delayed and will resume next week. All shipments will be concluded by November 15, 2019.

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