2023 Infiniti Q50 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.

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.

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

2020-2024 QX80 (Z62) 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 security and convenience services. When diagnosing DTC B2E1B-06 for 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 This bulletin has been amended. See AMENDMENT HISTORY on the last page.DTC B2E1B-06 (AUTOMATIC ECALL) STORED AS CURRENT IN THE IVC APPLIED VEHICLES: 2020-2024 Q50 (V37) 2020-2022 Q60 (CV37) 2020-2024 QX80 (Z62) 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 security and convenience services. When diagnosing DTC B2E1B-06 for 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 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. Please discard previous versions of this bulletin.

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

SEN/CIRCUIT-B1) and/or DTC P010B (MAF SEN/CIRCUIT-B2) is stored in the ECM on an APPLIED VEHICLE, follow the information in this bulletin along with the ESM to complete the required repairs.

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ACTION 1. Replace the affected turbocharger(s). 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. 2. Refer to step 212 in the SERVICE PROCEDURE to confirm if the ECM needs to be reprogrammed. 2016-2024 Q50 and 2017-2021 Q60 will require ECM reprogramming at the end of this SERVICE PROCEDURE. 3. If the ECM part number is in Table A (page 61 and 63), reprogram the ECM. 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.

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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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Refer to the information in this bulletin, along with the related vehicle owners manual. Figure 1 Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this applies to your vehicle. Seat Belt Warning Light for driver and front passenger.

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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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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.