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Service bulletin ITB22-027B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10249895
Published by NHTSA2024-02-08
Manufacturer's numberITB22-027B
Manufacturer's date2024-01-29
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

ENABLING WIRELESS APPLE CARPLAY® FEATURES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
INFINITI QX802020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
ITB23-023A2025-02-25. Service bulletin. 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 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 Owner’s Manual
ITB23-015A2024-09-04. Service bulletin. 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.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.
ITB22-020B2024-09-04. Service bulletin. 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. 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”.
ITB22-017B2024-09-04. Service bulletin. 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 bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-042E2024-09-04. Service bulletin. 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 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
ITB19-029E2024-09-04. Service bulletin. 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 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.
ITB21-025B2024-07-19. Service bulletin. 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.
ITB13-052E2024-06-28. Service bulletin. 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.
ITB13-006D2024-06-28. Service bulletin. 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.
ITB10-029C2024-06-14. Service bulletin. 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.