2020-2023 Nissan Models: DTC B2E1B-06 (Automatic eCall) Bulletin Inactive

Nissan Technical Service Bulletin (TSB) NTB23-031A, issued on July 22, 2024, announced that it is no longer active and superseded previous versions, including NTB23-031 from April 6, 2023. This bulletin originally concerned the diagnostic trouble code (DTC) B2E1B-06, indicating an issue with the "AUTOMATIC ECALL" system. This fault code was noted as "STORED AS CURRENT IN THE IVC," referring to the In-Vehicle Control unit.

Understanding DTC B2E1B-06 and the Automatic eCall System

DTC B2E1B-06 specifically points to a malfunction within the vehicle's Automatic eCall system. The eCall system is a crucial safety feature designed to automatically contact emergency services in the event of a serious accident. It can also be manually activated by occupants. When a DTC like B2E1B-06 is stored as "CURRENT" in the In-Vehicle Control (IVC) unit, it means the fault is actively present and detected by the vehicle's onboard diagnostics. This could indicate a problem with the eCall module, its sensors, or communication pathways, potentially impairing its ability to function correctly during an emergency. For owners experiencing a "Nissan Sentra B2E1B-06" issue or similar eCall warnings, understanding the status of this bulletin is important.

Important Update: Bulletin NTB23-031A is Inactive

The most critical information from TSB NTB23-031A is its inactive status. This means that the diagnostic and repair procedures outlined in the original NTB23-031 bulletin are no longer considered current or valid by Nissan. Technicians are instructed to "discard previous versions of NTB23-031." This often occurs when a problem has been resolved through a different service action, a software update, a design change in new production vehicles, or if the original bulletin's guidance was found to be insufficient or incorrect.

For owners of affected vehicles, such as the 2020-2023 Nissan Armada, Frontier, Kicks, Maxima, Pathfinder, Rogue, Sentra, Titan/Titan XD, and Versa, this inactive status means that if you are still encountering the DTC B2E1B-06 or an "AUTOMATIC ECALL" system warning, the solution will not be found within the now-obsolete NTB23-031 or NTB23-031A.

What Owners Should Know

If your vehicle, including a Nissan Sentra B2E1B-06, displays a warning related to the Automatic eCall system or has the DTC B2E1B-06 stored, it is essential to seek current diagnostic information from an authorized Nissan dealership. Since TSB NTB23-031A is no longer active, your dealer will need to refer to the most up-to-date service information available to properly diagnose and address the underlying cause of the eCall system malfunction. Relying on an inactive bulletin could lead to incorrect diagnosis or unnecessary repairs.

Always ensure that any service performed on your vehicle uses the latest manufacturer-approved procedures and parts. This ensures the safety and proper functioning of critical systems like the Automatic eCall.

NHTSA ID: 11006999