2021-2023 Nissan Vehicles: Module Swap Warning TSB

Important Warning: Combination Meter and ABS Unit Swaps

Nissan has issued Technical Service Bulletin (TSB) NTB21-063D, dated March 14, 2023, to inform technicians and owners about a critical restriction regarding the swapping of specific electronic modules. This bulletin explicitly states: "Do not swap the combination meter module or ABS control unit between vehicles listed in APPLIED VEHICLES, for any reason."

This directive applies to the 2021-2023 Nissan Pathfinder (R53), 2021-2023 Nissan Rogue (T33), and 2021-2023 Nissan Sentra (B18) models. The warning is crucial because these vehicles feature a new electrical architecture that fundamentally changes how mileage data is stored and managed within the vehicle's systems. Attempting a Nissan Sentra module swap or similar action on other affected models can lead to irreversible data issues.

Understanding the Mileage Data Issue

In the affected 2021-2023 Nissan models, vehicle mileage is no longer stored in a single, easily modifiable location. Instead, it is now embedded within both the combination meter module (instrument cluster) and the ABS control unit. A key aspect of this new design is that this mileage value "cannot be updated manually."

If a difference in mileage is detected between these two critical modules, the system is designed to automatically correct it. Specifically, the module with the lower recorded mileage will be immediately overwritten, adopting the higher mileage value. Nissan emphasizes that "This cannot be undone."

This automatic overwrite mechanism is also in effect when a new combination meter module or ABS control unit is installed. If a new module is fitted, it will automatically be programmed with the correct vehicle mileage from the other module. This ensures consistency but also highlights why a Nissan Sentra module swap between vehicles is problematic.

What Owners Should Know

For owners of 2021-2023 Nissan Pathfinder, Rogue, or Sentra vehicles, this TSB underscores the importance of proper vehicle servicing. While this bulletin is primarily directed at technicians, it has direct implications for owners. If your vehicle requires service involving the combination meter module or the ABS control unit, ensure that your repair facility is aware of this Nissan directive.

This TSB is not a recall; it's an informational bulletin to prevent potential issues during service. It's vital that these specific modules are not exchanged between different vehicles. If you are considering a Nissan Sentra module swap or similar for parts, be aware that it will not function as expected due to the mileage synchronization system. Always consult with an authorized Nissan dealer for any repairs or replacements involving these critical components to avoid unintended consequences related to your vehicle's mileage data.

Bulletin History

This bulletin, NTB21-063D, is the latest revision of an ongoing communication from Nissan. It supersedes previous versions, including:

• NTB21-063 (Original bulletin published July 19, 2021)
• NTB21-063A (APPLIED VEHICLES updated December 14, 2021)
• NTB21-063B (SERVICE INFORMATION updated January 3, 2022)
• NTB21-063C (APPLIED VEHICLES updated March 22, 2022)

This revision, dated March 14, 2023, specifically updates the list of applied vehicles.