2021 Infiniti QX50 Technical Service Bulletins

127 technical service bulletins (TSBs) are on record for the 2021 Infiniti QX50. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11036441Aug 26, 2026Electrical system. ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING IF YOU CONFIRM A roaring noise from the engine cooling fan assembly (engine fan on high not cycling) is present, and the Air Conditioning (A/C) is not cooling. ACTION 1. Check the hardware part number for the IPDM E/R. 2. Replace the IPDM E/R with the part number listed in the PARTS INFORMATION, if applicable. 3. Reconfigure the IPDM E/R…
• 11031720Apr 13, 2026Body and structure. CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These items may be available from Infiniti by request if certain criteria are met. This bulletin lists the criteria and provides an application…
• 11024397Oct 6, 2025Body and structure. IF YOU CONFIRM The client states that either the rear hatch is inoperative, or the rear hatch closes after opening only a small amount, AND DTC B2426-23 for “SPINDLE SENSOR LH” and/or DTC B2427-23 for “SPINDLE SENSOR RH” is stored, AND/OR There is a growling type noise from the rear hatch area when opening/closing the rear hatch. · DTC B2426-23 for “SPINDLE SENSOR LH” and/or DTC B2427-23 for “SPINDLE SENSOR RH” may…
• 11014469Feb 20, 2025Electrical system, Forward collision avoidance. AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60 Hybrid (L50H) 2015-2024 QX80 (Z62) SERVICE INFORMATION The AEB system is designed to turn itself OFF…
• 11009064Sep 19, 2024Air bags. DTC B00A0-00 STOREIF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the next page)D
• 11006966Aug 15, 2024Electrical system. 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 and the TCU must be reset to re-enable the automatic collision notification function.
• 11006964Aug 15, 2024Electrical system. DTC B2E01-96 (INTERNAL BATTERY) STORED AS CURRENT IN IVC APPLIED SYSTEMS: Vehicles equipped with Telematics SERVICE INFORMATION CONSULT has been updated to allow DTC B2E01-96 for “Internal battery” to be cleared in the Telematics Control Unit (TCU). If DTC B2E01-96 is Current/Active in the TCU, and no additional Current/Active DTCs are present in the TCU, perform the SERVICE PROCEDURE starting on page 2. This…
• 11006962Aug 15, 2024Electrical system. AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM The AV control unit needs to be replaced. 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…
• 11006961Aug 15, 2024Electrical system. TELEMATICS (IVC) SERVICE INFORMATION Vehicles equipped with factory telematics system HINT:  If the client experiences Wi-Fi hotspot related concerns only, DO NOT replace the TCU. Have the client contact the AT&T Support line at 1 (888) 719-7242.  See ITB12-011 for models built before those listed above. SERVICE INFORMATION The APPLIED VEHICLES are equipped with a wireless communication device called a Telematics…
• 11006993Jul 19, 2024Electrical system. FALSE ACTIVATION OF AEB OR FCW APPLIED VEHICLES: 2021-2022 QX50 (J55) APPLIED DATES: Built on or before August 08, 2022 APPLIED SYSTEMS: Only vehicles equipped with Electronic Power Steering IF YOU CONFIRM The customer states they have experienced false activation and/or unexpected braking of the Automatic Emergency Braking (AEB) or Forward Collision Warning (FCW) system, AND There are no related DTCs stored…
• 11002539May 20, 2024Electrical system. INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11002537May 20, 2024Electrical system. CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001653May 20, 2024Electrical system. CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11004955May 15, 2024Electrical 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.
• 11004956May 11, 2024Electrical system. DTC C1A17-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001182Apr 30, 2024Visibility (wipers, defrost, mirrors). WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001179Apr 30, 2024Visibility (wipers, defrost, mirrors). REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001177Apr 29, 2024Visibility (wipers, defrost, mirrors). WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 11001187Apr 13, 2024Electrical system, Forward collision avoidance. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10251530Feb 22, 2024Equipment, Electrical system. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. Please discard previous versions of ITB23-010.
• 10249896Jan 29, 2024Equipment, Electrical system. INFOTAINMENT SYSTEM IN RENTAL CARS FREQUENTLY REBOOTS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10249893Jan 29, 2024Electrical system. ENABLING WIRELESS APPLE CARPLAY® FEATURES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10249892Jan 29, 2024Electrical system. SOFTWARE UPDATE FOR CLOCK INCORRECT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10249897Jan 24, 2024Equipment, Electrical system. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment Software Updates on the left side of ASIST. HINT: Initially, the Infotainment Software Update Utility will be available only on the CONSULT PC version of ASIST. The Utility will be added to ASIST WEB at a…
• 10248648Dec 13, 2023Transmission and drivetrain. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10248647Dec 13, 2023Transmission and drivetrain. FLUID LEAK CAUSED BY TRANSFER ASSEMBLY RIGHT SIDE DRIVE SHAFT OIL SEAL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10246430Nov 2, 2023Visibility (wipers, defrost, mirrors), 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.
• 10242043Aug 16, 2023Equipment, 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.
• 10242042Aug 1, 2023Equipment, 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.
• 10237559May 26, 2023Equipment. INFOTAINMENT CONTROL UNIT REPLACEMENT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235461Apr 17, 2023Electrical system. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235689Apr 13, 2023Electrical system. ENABLING WIRELESS APPLE CARPLAY® FEATURES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235697Apr 6, 2023Electrical system. DTC B2E1B-06 (AUTOMATIC ECALL) STORED AS CURRENT IN IVC SERVICE INFORMATION The APPLIED VEHICLES that come equipped with a factory installed SOS switch, located near the overhead map lamp, also come equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active NissanConnect® Services subscription, the TCU communicates with the Nissan Data Center to provide various…
• 10235451Apr 5, 2023Exterior lighting. HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10235695Apr 4, 2023Electrical 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.
• 10235682Apr 3, 2023Electrical system. SOFTWARE UPDATE FOR CLOCK INCORRECT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233614Mar 29, 2023Transmission and drivetrain. CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233658Mar 24, 2023Electrical system. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been superseded by: ITB23-010 SOFTWARE UPDATE FOR INFOTAINMENT ISSUES Please discard previous versions of this bulletin.
• 10233660Mar 9, 2023Equipment. DTC C1A17-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233657Mar 9, 2023Equipment. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233648Mar 9, 2023Forward collision avoidance. AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10233823Mar 8, 2023Electrical system, Equipment. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES SERVICE INFORMATION When diagnosing an infotainment issue or after replacement of the AV Control Unit, it is necessary to verify the current software version of the AV Control Unit to determine if a software version update is required. Use the vehicle tables in this bulletin to determine the current software version, if the AV Control Unit requires a software version update…
• 10233679Mar 8, 2023Electrical system, Equipment. INFOTAINMENT SYSTEM IN RENTAL CARS FREQUENTLY REBOOTS IF YOU CONFIRM The infotainment system of an APPLIED VEHICLE is frequently rebooting, AND The APPLIED VEHICLE is in a rental car fleet. ACTION Update the infotainment software.  Refer to ITB23-010 for the latest infotainment update-software, infotainment update procedures, and claims information. IMPORTANT: The purpose of ACTION (above) is to give you a quick…
• 10233611Mar 8, 2023Brakes. ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232646Feb 27, 2023Body and structure, Visibility (wipers, defrost, mirrors). REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232644Feb 27, 2023Body and structure, Visibility (wipers, defrost, mirrors). WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10232647Feb 22, 2023Visibility (wipers, defrost, mirrors), Body and structure. 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.
• 10232645Feb 22, 2023Wheels. WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10231852Feb 10, 2023Electrical system. AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10231851Feb 10, 2023Electrical system. AV CONTROL UNIT INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

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