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.

• 10203442Oct 26, 2021Electrical system. CLIENT SATISFACTION INITIATIVE 2020-2021 Q50, Q60, QX50, AND QX80; INFOTAINMENT SOFTWARE UPDATE AND WIRELESS CARPLAY CONFIGURATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10203443Oct 25, 2021Transmission and drivetrain. TRANSFER ASSEMBLY SEAL REPLACEMENT FOR AWD FRONT DRIVE SHAFT REMOVAL SERVICE INFORMATION When removing the front passenger (RH) side drive shaft on an applied vehicle for any reason, transfer assembly drive shaft oil seal and dust cover seal replacement is required. Refer to the SERVICE PROCEDURE in this bulletin.
• 10204189Oct 18, 2021Electrical system. Wireless Apple CarPlay® Update Voluntary Service Campaign UPDATE October 18, 2021 Please discard earlier versions of this bulletin. The announcement from October 6, 2021 has been updated to highlight the following important information:  Retailers should ensure they are using the most recent version of the CONSULT III operating system.  Ensure that the technician has configured the audio/IT unit as…
• 10204181Oct 6, 2021Electrical system. Wireless Apple CarPlay® Update Voluntary Service Campaign ***** Campaign Summary ***** INFINITI is conducting a Client Service Initiative to provide a free Infotainment software update, which includes Wireless Apple CarPlay® until March 31, 2022. The update will bring the vehicle’s software to current production level, improve system overall performance, and enable you to use Apple CarPlay® wirelessly!
• 10203441Oct 5, 2021Electrical system. CLIENT SATISFACTION INITIATIVE 2020-2021 Q50, Q60, QX50, AND QX80; INFOTAINMENT SOFTWARE UPDATE AND WIRELESS CARPLAY CONFIGURATION SERVICE INFORMATION Infiniti is providing a free infotainment software update, including Wireless Apple CarPlay®, until March 31, 2022. This upgrade will bring the vehicle’s infotainment software up to current production level, improve system overall performance, and enable wireless…
• 10202233Sep 14, 2021Body and structure. REAR HATCH INOPERATIVE OR NOISE WHEN OPENING/CLOSING 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 SPINDLE SENSOR LH and/or DTC B2427-23 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 SPINDLE SENSOR LH and/or DTC…
• 10202232Sep 9, 2021Fuel system. FUEL AND/OR OIL SMELL IS PRESENT WHEN THE VEHICLE IS PARKED IN A CLOSED GARAGE IF YOU CONFIRM The client states that a fuel and/or oil smell is present when the vehicle is parked in a closed garage, even though there are no fuel, oil, or EVAP leaks. ACTION Replace the rocker cover assembly and the PCV separator with those listed in the PARTS INFORMATION, and eliminate PCV hose 2.
• 10200010Jul 13, 2021Equipment, 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.
• 10199137Jun 9, 2021Transmission 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.
• 10199141Jun 7, 2021Electrical system. INFINITI; INTELLIGENT KEY IDENTIFICATION AND REGISTRATION TIPS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10199140Jun 7, 2021Electrical system. INTELLIGENT KEY BUTTONS INOPERATIVE BUT REQUEST SWITCHES WORK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10199139Jun 7, 2021Electrical system. SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10195473May 27, 2021Transmission and drivetrain. 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.
• 10191927Apr 21, 2021Electrical system, Equipment. TELEMATICS (IVC) SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10191928Apr 1, 2021Engine cooling. MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle was recently started after sitting for an extended period of time (i.e., the battery voltage was low while attempting to start the engine). ACTION 1. Test the vehicle’s 12 volt battery using the Midtronics DSS-5000. Recharge or replace the…
• 10190150Mar 24, 2021Electrical system. INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10191984Mar 23, 2021Brakes. Maintenance Schedules Owner’s Manual Addendum Voluntary Service Campaign ***** Campaign Summary ***** INFINITI is providing owners of approximately 7,570 MY2021 INFINITI QX50 (J55) vehicles with a supplemental Owner’s Manual addendum booklet. INFINITI discovered the Owner’s Manual “Maintenance Schedules” section did not include ‘Replace brake fluid’ in the 30,000 miles/(48,000 km)/48 months service…
• 10190189Mar 15, 2021Electrical 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.
• 10190188Mar 5, 2021Electrical system. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10190187Mar 1, 2021Engine cooling. 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.
• 10188352Feb 26, 2021Transmission and drivetrain, Equipment. PREVENT FRONT AXLE THREAD DAMAGE DURING AXLE NUT REMOVAL SERVICE INFORMATION If an Applied Vehicle needs to have a front axle nut removed, for any reason, the staking of the nut into the axle keyway must first be removed. The essential tool (part number # J-52982, Figure 1) required to remove the nut staking, is called out as a “Cape Chisel” in the Electronic Service Manual (ESM), and must be used to prevent…
• 10188303Feb 3, 2021Forward collision avoidance, Lane departure. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10186824Jan 28, 2021Electrical 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.
• 10186822Jan 28, 2021Electrical 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.
• 10186793Jan 27, 2021Electrical 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…
• 10185408Dec 17, 2020Visibility (wipers, defrost, mirrors). 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.
• 10183966Nov 30, 2020Electrical system, Other or unknown. 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.

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