Technical Service Bulletin ITB23-015A — 2024 INFINITI Q50

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.