2021 Infiniti Qx50 TSBs

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.

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 later date. Please discard previous versions of ITB23-010.

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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, and which procedure to use to update the AV Control Unit. The software updates in this bulletin are to address stability improvements and bug fixes. IMPORTANT: If the client is experiencing a software related concern, refer to ITB21-011 to verify if the client concern is a hardware or software related issue. If the concern is a software related issue, review the information in this bulletin to update the AV Control Unit as needed.

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 idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE located in ITB23-010 as it contains information that is essential to successfully completing this repair.

INFOTAINMENT ISSUES Please discard previous versions of this bulletin.

ACTION Follow the SERVICE PROCEDURE in this bulletin to download the map data from the ASIST Downloader, and then update the AV Control Unit with the map data.

(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 the AV control unit. 2. Configure the AV control unit. 3. Write the VIN to the AV control unit. IMPORTANT: Steps 1-3 above must be performed in the sequential order shown below.

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. Beginning April 1, 2022 the software update will be available as a client payable software service upgrade should a client request the wireless Apple CarPlay update. INFINITI continues to make progress to improve the software with Wireless Apple CarPlay. More information will be provided as soon as possible.

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.

CONFIGURATION Client Satisfaction Initiative ID # PC839 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under ID # PC839. Discard all previous versions of ITB21-022.

CONFIGURATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

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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. INFINITI has determined the latest infotainment software update for QX80, which includes Wireless Apple CarPlay may not fully address concerns INFINITI was trying to improve with the software update. INFINITI is currently working to improve the software with Wireless Apple CarPlay and we apologize for this inconvenience.

CONFIGURATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

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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 result, the population of applicable QX50 vehicles has increased for this activity.

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 page 5. 3. Manually set the clock time and date to complete the infotainment update.

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 instructed beginning with step 27 of the Technical Service Bulletin (TSB). Retailers should assist every customer with (1) removing ALL paired phones,(2) pairing their phone with the vehicle again before they leave the dealership, and (3) verifying Wireless CarPlay is working for iPhone users (See page 2 of this announcement) Ensure that YES is selected on the vehicle when prompted to deactivate Wi-Fi to use Wireless CarPlay (provide owners a copy of the instructions on page 6 of this announcement) Notify owners that some vehicles may have initial location accuracy concerns after the software update. This is not a unique issue for INFINITI and will self-correct within a few days.(see page 7) Please print a copy of the phone pairing instructions (page 6) for the owner to use with pairing other phones back to their vehicle.

Client Service Initiative to provide a free Infotainment software update, which includes Wireless Apple CarPlay until March 31, 2022. The update will bring the vehicles software to current production level, improve system overall performance, and enable you to use Apple CarPlay wirelessly! For more information on Apple CarPlay, please refer to: INFINITI Apple CarPlay Features & FAQs INFINITIs InTouch system is designed to improve the driving experience. Your vehicle is already equipped with Apple CarPlay to enhance your iPhone user experience with iOS13 and later, but it currently requires a USB cord connection to your phone to use. The CarPlay dashboard takes things you want to do with your iPhone while driving and puts them right on the vehicles built-in display, eliminating the need to remove the iPhone from your pocket or bag. ***** What Retailers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Service Campaign using Service Comm or DBS National Service History Open Campaign I.D. PC839 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 2. Retailers should ensure any applicable vehicle has the latest AV control unit software installed, and use ITB21-022 to update the following software: Enablement of Wireless Apple CarPlay Stability improvements and bug fixes 3. Retailers should submit the applicable warranty claim for the action performed so it can be closed on Service Comm and release the vehicle.

CONFIGURATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.

CONFIGURATION SERVICE INFORMATION Infiniti is providing a free infotainment software update, including Wireless Apple CarPlay, until March 31, 2022. This upgrade will bring the vehicles infotainment software up to current production level, improve system overall performance, and enable wireless use of current Apple CarPlay features. RETAILER RESPONSIBILITY It is the retailers responsibility to check SERVICE COMM using Service Comm I.D. PC839 for the status on each vehicle falling within the range of this client satisfaction initiative which for any reason enters the service department. If a vehicle subject to this client satisfaction activity was part of a retailer trade, the letter associated with that vehicle should be forwarded to the appropriate retailer for upgrade completion.

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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 also be stored. HINT: If any DTC other than B2426-23 and/or B2427-23 is stored, this bulletin does not apply. ACTION Replace ONLY the spindle unit that is confirmed to be setting one of the DTCs listed above and/or causing the growling noise. Do NOT replace both spindle units when diagnosis leads to replacement of only one. HINT: Rear hatch spindle units are not hydraulic systems. If a rear hatch spindle unit appears to be leaking, this is normal drainage of water (rain, car wash, condensation) and design intended water management. Do not replace spindle units for suspected leaking. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.

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 during driving conditions (e.g., rain, snow, fog, etc.) that obstruct its sensors. This behavior is normal, and no repairs should be performed. When the AEB system performs an intentional shutdown, the customer may state the following: The ICC stopped working while driving, The AEB/FEB warning light is ON, or turned ON, while driving (Figure 1), The message Unavailable Front Radar Obstruction or Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owner's Manual has displayed while driving (Figure 2). AND DTC C1A16, C1A16-97, C2582, or C2582-97 is the ONLY DTC stored. Figure 1 Figure 2 Forward Driving Aids Temporarily Disabled Front Sensor Blocked See Owners Manual

cannot be performed, (continued on the next page)D

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 bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

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 Communication Unit (TCU). 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. An Order of Completion table has been provided on the next page that lists the steps required to successfully configure a TCU after it has been replaced. A CHECK-OFF SHEET has been provided on page 16. Print and check off steps as they are completed. Staple the completed CHECK-OFF SHEET to the repair order.

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 security and convenience services. 1. When diagnosing DTC B2E1B-06 (AUTOMATIC ECALL) on an APPLIED VEHICLE: If DTC B2E1B-06 is not CRNT in the IVC, DO NOT replace the TCU. Erase the DTC. No further steps are needed. If DTC B2E1B-06 is CRNT in the IVC, replace the TCU. o Refer to the ESM: REPAIR > DRIVER INFORMATION & MULTIMEDIA > AUDIO, VISUAL & NAVIGATION SYSTEM > REMOVAL AND INSTALLATION > TCU

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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.

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. P0460 (FUEL LEV SEN SLOSH) P0461 (FUEL LEVEL SENSOR) P0462 (FUEL LEVL SEN/CIRC) P0463 (FUEL LEVL SEN/CIRC) NOTE: Warranty claims referring to fuel level issues that result in the replacement of the entire fuel pump assembly will be charged back.

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. Only turn the ignition ON when either the ESM or a technical service bulletin service procedure states to do so, and only while using a battery maintainer or smart charger set to reflash mode, or a similar setting. Battery voltage should not exceed 16V during a reprograming operation.

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the PAST column: Erase the DTC. DO NOT replace any parts. If DTC C1A17-49 (ICC SENSOR MALF) is stored in LASER/RADAR in the "CURRENT" column, refer to the applicable ESM for instructions.

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 B2427-23 SPINDLE SENSOR RH may also be stored. NOTE: If any DTC other than B2426-23 and/or B2427-23 is stored, this bulletin does not apply. ACTION Replace ONLY the spindle unit that is confirmed to be setting one of the DTCs listed above and/or causing the growling noise. Do NOT replace both spindle units when diagnosis leads to replacement of only one. HINT: Rear hatch spindle units are not hydraulic systems. If a rear hatch spindle unit appears to be leaking, this is normal drainage of water (rain, car wash, condensation) and design intended water management. Do not replace spindle units for suspected leaking.

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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.

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squeaking) is present from the moonroof. HINT: The noise may be intermittent and can be from one or both sides of the moonroof. ACTION Follow the SERVICE PROCEDURE outlined in this bulletin to add a shim to the driver (LH) side and passenger (RH) side moonroof guide mounting bolts.

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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.

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ACTION See Repair Overview on page 2 for diagnostic procedure.

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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 vehicles 12 volt battery using the Midtronics DSS-5000. Recharge or replace the battery if necessary. 2. Erase all DTCs.

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(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. Some models will store DTC B2E1B-97 for Automatic eCAll locked as CURRENT when this function is disabled. This bulletin describes how to reset the TCU after an automatic collision notification has been performed. For models with B2E1B-97 for Automatic eCAll locked set as CURRENT, complete the SERVICE PROCEDURE starting on page 2, and then erase DTCs after confirming the TCU condition is UNLOCK.

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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. Some models will store DTC B2E1B-97 (Automatic eCAll locked) as CURRENT when this function is disabled. This bulletin describes how to reset the TCU after an automatic collision notification has been performed. For models with B2E1B-97 (Automatic eCAll locked) set as CURRENT, complete the SERVICE PROCEDURE starting on page 2, and then erase DTCs after confirming TCU condition is UNLOCK.

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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.

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. ACTION Refer to the SERVICE PROCEDURE in this bulletin to: 1. Confirm the current ICC/ADAS 2 part number. 2. Reprogram the ICC/ADAS 2, if applicable.

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providing owners of approximately 7,570 MY2021 INFINITI QX50 (J55) vehicles with a supplemental Owners Manual addendum booklet. INFINITI discovered the Owners Manual Maintenance Schedules section did not include Replace brake fluid in the 30,000 miles/(48,000 km)/48 months service interval section. Clients will be asked to place the supplemental Owners Manual addendum booklet, which includes the updated maintenance schedule, inside the glove box. ***** What Retailers Should Do ***** Verify if vehicles are affected by this Voluntary Service Campaign using Service Comm or DBS National Service History Open Campaign I.D. PC792 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 SERVICE COMM will only be active for vehicles in new vehicle retailer inventory. If a retailer receives a supplemental Owners Manual addendum booklet for a vehicle they have retailed, currently have in their new vehicle or pre-owned inventory, or an INFINITI Courtesy Vehicle (ICV) Service, the retailer should either forward the owners manual addendum to the current owner or add the addendum to the glove box of any affected vehicle they currently control. Owners Manual addendum booklets will be sent directly to affected retailers via United States Postal Service (USPS). They should arrive at retailers no later than March 29, 2021. Additional addendums may be obtained, as needed, via the INFINITI Marketing Material Ordering site located under Dealer Operations in NNAnet beginning April 19, 2021. Clients receiving this addendum booklet have been advised to insert this booklet into their glove box.

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 control unit. IMPORTANT: Procedures 4-6 above must be performed in the order shown below. ORDER OF COMPLETION REPROGRAM AV Control Unit CONFIGURE AV Control Unit WRITE VIN to AV Control Unit Infiniti

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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. NOTE: PCV hose 2 (number 15 in Figure 1 on page 2) is no longer required with the parts listed in the PARTS NFORMATION.

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, do NOT replace the axle. Install a new boot kit following the procedure in the ESM. o Refer to the ESM: TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT BOOT o If the complete axle (drive shaft) is replaced when only a new boot is required, the over-repair may be charged back to the retailer. If there is NOT a REPAIR KIT-DUST BOOT (CV Joint Boot Kit) available for the vehicle being repaired, refer to the ESM for further diagnostic information. IMPORTANT: When servicing vehicles with staked axle nuts, refer to ITB21-002 to prevent Drive Shaft thread damage.

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 thread damage to the axle (see Figure 2 on page 2). The Cape Chisel arrived at dealers in December of 2020. Damaged threads, due to improper removal of the stake placed in the nut, will not be covered by warranty. For information on using the Cape Chisel, refer to the Electronic Service Manual (ESM): Section TRANSMISSION & DRIVELINE > FRONT AXLE > REMOVAL AND INSTALLATION > FRONT DRIVE SHAFT > LH/RH.

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