2021 Infiniti Q50 Technical Service Bulletins

111 technical service bulletins (TSBs) are on record for the 2021 Infiniti Q50. 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.

• 10229603Dec 9, 2022Engine cooling. TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10229651Dec 8, 2022Electrical system. INFOTAINMENT CONTROL UNIT REPLACEMENT SERVICE INFORMATION SERVICE INFORMATION When replacing an AV control unit (Infotainment Control Unit), for any reason, all three steps below are required. If all three steps are not completed on vehicles equipped with a TCU, the Over The Air (OTA) updates will not work, and other functions may be inoperative. HINT: Not all APPLIED VEHICLES are OTA-update capable. 1. Reprogram…
• 10227253Nov 23, 2022Transmission and drivetrain. DRIVE SHAFT BOOT SERVICE INFORMATION SERVICE INFORMATION If a Drive Shaft (Axle Shaft) Boot on an APPLIED VEHICLE is found to be leaking grease, AND There is no abnormal noise or obvious CV Joint risk due to water intrusion and/or complete grease loss, check for REPAIR KIT-DUST BOOT (cv Joint Boot Kit) availability.  If there is a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired…
• 10227249Nov 14, 2022Engine cooling. TURBOCHARGER REPLACEMENT PROCEDURE SERVICE INFORMATION If either one or both turbochargers require replacement, refer to the SERVICE PROCEDURE in this bulletin for the updated procedure. IMPORTANT: You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.  2016-2017 Q50 and 2017 Q60 will require an ECM reprogramming at the end of…
• 10226128Nov 1, 2022Electrical system. TELEMATICS (IVC) SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10222705Sep 27, 2022Transmission 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.
• 10218689Jun 21, 2022Electrical 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.
• 10212027Apr 26, 2022Air bags, Electrical system. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10213155Apr 21, 2022Electrical 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.
• 10213153Apr 12, 2022Electrical system. B2E01-96 (INTERNAL BATTERY) DTC STORED AS CURRENT IN IVC SERVICE INFORMATION CONSULT has been updated to allow DTC B2E01-96 (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 PROCEURE starting on page 2.
• 10213151Apr 5, 2022Fuel system. SERVICE INFORMATION FOR FUEL GAUGE INACCURATE WITH DTCS STORED IN ECM SERVICE INFORMATION If a fuel level sensor has been diagnosed as sending an incorrect level signal, and one or more of the following DTCs are stored in the ECM, do not replace the entire “Fuel Level Sensor Unit, Fuel Filter and Fuel Pump Assembly” (fuel pump assembly). The fuel level sensor can be replaced separately.
• 10211987Mar 31, 2022Electrical system, Equipment. ENABLING WIRELESS APPLE CARPLAY® FEATURES SERVICE INFORMATION To enable wireless use of current Apple CarPlay® features, follow the SERVICE PROCEDURE in this bulletin. NOTE: Depending on the software version, the AV control unit may need to be updated. Perform steps 1-4 to check the software version.
• 10211982Mar 31, 2022Equipment. CLIENT SATISFACTION INITIATIVE 2020-2021 Q50, Q60, AND QX50, INFOTAINMENT SOFTWARE UPDATE AND WIRELESS CARPLAY CONFIGURATION Client Satisfaction Initiative ID # PC839 is no longer active.  Repair orders opened after this bulletin’s published date are no longer eligible for reimbursement under ID # PC839.  Discard all previous versions of ITB21-022.
• 10211981Mar 21, 2022Equipment. CLIENT SATISFACTION INITIATIVE 2020-2021 Q50, Q60, AND QX50, 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.
• 10211979Mar 21, 2022Equipment. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10212023Mar 17, 2022Electrical system. REMINDER: Wireless Apple CarPlay® Update Voluntary Service Campaign UPDATE March 17, 2022 Please discard earlier versions of this bulletin. The announcement from February 24, 2021 has been updated to highlight the following important information: • REMINDER: This client service initiative as a free infotainment software update (PC839) will expire in two weeks March 31, 2022.
• 10211978Mar 3, 2022Electrical 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.
• 10211977Mar 3, 2022Electrical system. AV CONTROL UNIT INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10211976Mar 3, 2022Other or unknown. TELEMATICS (IVC) SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10208939Feb 25, 2022Equipment, 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.
• 10209081Feb 24, 2022Equipment, Electrical system. Wireless Apple CarPlay® Update Voluntary Service Campaign UPDATE February 24, 2022 Please discard earlier versions of this bulletin. The announcement from December 16, 2021 has been updated to highlight the following important information: • QX80 vehicles still eligible for the update have been removed from Service Comm as of 02/15/2022 suspending the software update.
• 10208940Feb 23, 2022Equipment, Electrical system. CLIENT SATISFACTION INITIATIVE 2020-2021 Q50, Q60, AND QX50, 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.
• 10208937Feb 22, 2022Electrical system. INFINITI; INTELLIGENT KEY INITIALIZATION PROCEDURE STOPS OR WILL NOT CONTINUE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10208933Feb 22, 2022Electrical 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.
• 10208930Feb 22, 2022Electrical 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.
• 10208943Feb 9, 2022Electrical system. BATTERY QUICK CHARGE NOTICE SERVICE INFORMATION When charging the vehicle’s 12 volt battery with the high amperage quick charge function, the ignition should never be ON, or turned ON, while charging. Attempting to start the vehicle, or turning the ignition ON, while using the high amperage quick charge could potentially damage the fuel pump control module.
• 10208936Feb 7, 2022Engine cooling. 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.
• 10208932Feb 7, 2022Fuel system, Other or unknown, Engine cooling. EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10207850Jan 26, 2022Electrical system, 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.
• 10207847Jan 26, 2022Engine, Electrical 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.
• 10207844Jan 26, 2022Electrical 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.
• 10206393Dec 16, 2021Equipment. Wireless Apple CarPlay® Update Voluntary Service Campaign UPDATE December 16, 2021 Please discard earlier versions of this bulletin. The announcement from October 18, 2021 has been updated to highlight the following important information:  Review of additional production records has allowed INFINITI to more accurately identify the production window of vehicles potentially within scope of this activity. As a…
• 10206354Dec 7, 2021Exterior 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.
• 10206343Dec 7, 2021Exterior lighting. CLEANING FRONT OR REAR COMBINATION LAMP ASSEMBLIES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10206332Dec 7, 2021Exterior 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.
• 10206345Dec 3, 2021Electrical system. SOFTWARE UPDATE FOR CLOCK INCORRECT IF YOU CONFIRM One or more of the following occurs:  The clock resets to 1:00.  The clock changes 4-6 hours ahead of actual time.  Set Clock Manually icon is grayed out. ACTION 1. Confirm that the Infotainment software version is not 4710. See Check Software Version on page 3. 2. If the Infotainment software version is not 4710, perform Update AV Control Unit starting on…
• 10204197Nov 18, 2021Visibility (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.
• 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.
• 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…
• 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.
• 10195474May 3, 2021Engine cooling. 2021 Q50/Q60; DTC P0607 STORED IN THE ECM IF YOU CONFIRM If CONSULT-III plus is available: DTC P0607 (ECM) is stored in the ECM. This DTC may be in Current or Past status. If CONSULT-III plus is not available: The vehicle displays an engine stall / no start condition with adequate fuel level, adequate battery voltage, and no fuel pump related DTCs present, Or DTC P0300 (Multiple Cylinder Misfire) is stored in the…
• 10191930Apr 28, 2021Electrical system, Equipment. UPPER INFOTAINMENT SCREEN TURNS ON AFTER TURNING VEHICLE OFF IF YOU CONFIRM The upper infotainment screen turns ON after the vehicle’s ignition is turned OFF and the door is opened, And The current telematics control unit (TCU) part number is 28275-5SN9B. ACTION Reprogram the telematics control unit (TCU).
• 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.

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