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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.

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Bulletins, newest first
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.
ITB19-002b2020-02-08. Service bulletin. EQUIPMENT. 2018-2020 INFINITI; DISPLAY CONTROL UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
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.
ITB19-026a2020-01-08. Service bulletin. FUEL SYSTEM, GASOLINE. 2019 QX50; FUEL ODOR INSIDE VEHICLE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB19-0352019-12-06. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. 2019 QX50; RATTLE NOISE FROM REAR OF FRONT MOONROOF PANEL IF YOU CONFIRM While driving at approximately 10 MPH, a rattle is present from either the right or left rear corner of the front moonroof glass panel, And Occurs only while the moonroof is in the closed position, And The moonroof buffers have been confirmed as being the old style (see Figure 2 and Figure 3 on pages 2 and 3, respectively). ACTION Replace both moonroof glass panel buffers with those from the Parts Information section of this bulletin on page 5.
ITB19-012a2019-12-06. Service bulletin. ENGINE; EQUIPMENT. MIL ON WITH DTC P0448 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB12-011o2019-11-07. Service bulletin. EQUIPMENT. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB14-011d2019-10-09. Service bulletin. ENGINE AND ENGINE COOLING. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-0262019-10-08. Service bulletin. FUEL SYSTEM, GASOLINE. 2019 QX50; FUEL ODOR INSIDE VEHICLE IF YOU CONFIRM A fuel odor inside the vehicle AND There are no visible fuel leaks. ACTION Replace the EVAP canister filter vent hose with the new one listed in the PARTS INFORMATION on the last page of this bulletin.
ITB19-0242019-10-08. Service bulletin. SEATS; ELECTRICAL SYSTEM; AIR BAGS. DTC B00A0-00 STORED IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored And OCS zero point reset cannot be performed And The following screen will display: ACTION 1. Check the Occupant Classification System (OCS) control unit using the ODS Analysis tool software. • Refer to SERVICE PROCEDURE on the next page. HINT: “OCS” may also be referred to as “ODS”. 2. Perform “75-zero RESET”.
ITB18-041c2019-10-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
REVISION 1 - PC72019-09-10. Service bulletin. ENGINE AND ENGINE COOLING. CAMPAIGN BULLETIN VCR Engine Inspection UPDATE August 2, 2018 Please discard earlier versions of this bulletin. The announcement from July 12, 2018 has been revised to include: • 11 VINs have been added to the population
ITB19-0212019-09-10. Service bulletin. ENGINE AND ENGINE COOLING. 2019 QX50; DRIVE BELT CHIRP NOISE IF YOU CONFIRM The drive belt makes a chirp type noise when accelerating the vehicle and/or revving the engine in Park. ACTION Compare the vehicle’s ECM and TCM part numbers with those listed in TABLE A and TABLE B, respectively, in this bulletin. • If there is a match, reprogram the ECM. • If there is a match, also reprogram the TCM.
ITB19-0172019-09-10. Service bulletin. ELECTRICAL SYSTEM. 2019 QX50; MIL ON WITH DTC P0087 STORED IF YOU CONFIRM The Malfunction Indicator Light (MIL) is ON with Diagnostic Trouble Code (DTC) P0087 (FRP CONTROL SYSTEM) stored in the Engine Control Module (ECM), AND The fuel level indicates ¼ or less. ACTION Reprogram the ECM and TCM, if applicable.
ITB19-003a2019-09-10. Service bulletin. ENGINE AND ENGINE COOLING. 2019 QX50; SPARK KNOCK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-0152019-08-19. Service bulletin. WHEELS; SUSPENSION. 2019 QX50; WHEEL ALIGNMENT SERVICE INFORMATION SERVICE INFORMATION Some wheel alignment specifications listed in the Front Suspension section of the Electronic Service Manual (ESM) have been revised. Until the updated ESMs are made available, use the revised specifications listed in this bulletin.
ITB19-002a2019-08-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 2018-2019 INFINITI; DISPLAY CONTROL UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
PC706 - 2019 QX52019-08-12. Service bulletin. EQUIPMENT; ENGINE. VCR Engine Inspection ***** Retailer Announcement ***** INFINITI is conducting a quality action on 324 specific 2019 QX50 (J55) vehicles (which were previously placed on temporary Quality Assurance (QA) Hold under PC706), to remove and inspect the lower engine oil pan. Affected vehicles are subject to stop sale and are either currently in retailer inventory or assigned and in transit to the retailer. ***** What Retailers Should Do ***** PLEASE FOLLOW THE ATTACHED REPAIR INSTRUCTIONS: 1. Verify if vehicles are affected by this quality action using Service Comm or DBS National Service History ? Open Campaign I.D. PC706 - New vehicles in retailer inventory can also be identified by using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). - Refer to IPSB 15-286 for additional information - Some vehicles may still be in transit. Please continue to check newly arriving inventory for QA Hold applicability. 2. Please do not drive, sell, or trade the specific 2019 QX50 vehicles in Retailer Inventory subject to this Quality Action. 3. Use the attached procedure to inspect the vehicle. - If no gold colored debris is found in the lower engine oil pan, reseal the oil pan per the Electronic Service Manual (ESM). - File a claim for the inspection, and release the vehicle for sale - If gold colored debris is found in the lower engine oil pan, provide the requested information in an email to nnafqasupport@nissan-usa.com and HOLD the vehicle. - Do not file a claim INFINITI Field Quality will review the E-mail submissions within two (2) business days of receipt and provide further instruction.
PC706 - 2019 QX52019-08-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. Quality Assurance Hold ***** Retailer Announcement ***** INFINITI is committed to a high level of client service and satisfaction. This commitment requires INFINITI to periodically place certain vehicles on temporary Quality Assurance (QA) Hold to assure that these vehicles, as delivered to our clients, meet our exacting standards and our clients? expectations. Effective immediately, INFINITI is placing a temporary Quality Assurance (QA) Hold on three hundred and twenty-four (324) specific MY2019 QX50 vehicles. These vehicles may experience an engine c-link bearing failure during operation, which could lead to engine seizure. INFINITI engineering is studying this concern and will provide the appropriate field action as quickly as possible. ***** What Retailers Should Do ***** 1. Verify if vehicles are affected by this quality hold using Service Comm or DBS National Service History ? Open Campaign I.D. PC706 - New vehicles in retailer inventory can also be identified by using DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). - Refer to IPSB 15-286 for additional information - Some vehicles may still be in transit. Please continue to check newly arriving inventory for QA Hold applicability. 2. Please do not drive, sell, or trade the specific 2019 QX50 vehicles in Retailer Inventory subject to this QA Hold. 3. No further action is necessary at this time. INFINITI will provide an updated status by no later than July 26, 2019.
ITB12-011n2019-07-22. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-0132019-06-24. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; EQUIPMENT:ELECTRICAL. AEB WARNING LIGHT BLINKING This bulletin applies only to vehicles equipped with a lane camera. SERVICE INFORMATION If the AEB warning light is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield. A blinking AEB warning light may occur under the following conditions: - When contamination or foreign material adhere to the lane camera viewing window on the windshield - When driving while it is snowing or when frost forms on the lane camera viewing window on the windshield - When the lane camera viewing window on the windshield is temporarily fogged up NOTE: - If DTCs are present in any of the following related systems: - Laser/Radar, - ICC/ADAS, or - Lane Camera, Refer to the related Electronic Service Manual (ESM) for diagnosis. - Refer to the following pages for further information.
ITB19-0122019-06-24. Service bulletin. ENGINE AND ENGINE COOLING. 2019 QX50; MIL ON WITH DTC P0448 IF YOU CONFIRM The Malfunction Indicator Light (MIL) is ON with DTC P0448 (EVAP canister vent control valve) stored. ACTION Reprogram the ECM, if applicable.
ITB19-0092019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INTELLIGENT KEY DOES NOT WORK AFTER BATTERY REPLACEMENT SERVICE INFORMATION If the Intelligent Key of an APPLIED VEHICLE does not work after replacing the battery, inspect the positive (+) terminals. If the battery side of the Intelligent Key is held by pinching down on the terminals while removing the battery, it is possible to bend the terminals down far enough that they will not touch the contacts on the other half of the Intelligent Key. If the terminals are found to be bent down, pry them back up so that they will come in contact with the other half of the Intelligent Key?s contacts. - Refer to the photos on the following pages.
ITB19-0082019-05-20. Service bulletin. EQUIPMENT. EXTERIOR CLEANING INFORMATION SERVICE INFORMATION When cleaning the exterior of an Infiniti vehicle, damage may occur when using a cleaner with too high of an alkaline concentration. - Always refer to the Appearance and care section of the related owner?s manual. - Not all cleaners are created equal. - Many cleaners come in concentrated form. - Alkaline cleaners (cleaners with a high pH value) can cause spots on paint and trim when not used as directed. - Some commercial car washes use cleaners with a high pH value. - When using cleaners that meet the conditions defined in the Appearance and care section, be sure to carefully follow the cleaner?s directions. - When finished cleaning/washing, rinse thoroughly with clean water. IMPORTANT: Damage to paint, glass, bright metal, or any other exterior surface caused by using improper cleaning products is not covered under warranty. Always refer to the Paint Incident Identification Manual (PIIM) and Assurance Products Reference Manual (APRM). Follow the guidelines in the PIIM and APRM for non-warrantable exterior body, glass, or painted surface quality issues. To access the PIIM and APRM, login to nnanet.com: - For the PIIM, select: MY LINKS > Warranty > Paint Incident Identification Manual - For the APRM, select: MY DOCUMENTS > Warranty > APRM See further information in this bulletin.

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