Nissan B272914 Better 2021

The part number B272914 does not appear in standard Nissan parts catalogs as a primary fluid ID, but the query strongly suggests a comparison between the older Nissan CVT Fluid NS-2 and the newer Nissan CVT Fluid NS-3.

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Repair Options

  1. The Connector under the Passenger Seat (Most common): The key cylinder for the passenger air bag deactivation is often on the dashboard edge (passenger side) or inside the glove box. The wiring harness underneath the seat gets kicked, wet, or corroded.
  2. The Meter/Timer Control Unit: Occasionally, the SRS control module misinterprets a good signal as low voltage.
  3. Aftermarket Installations: Remote starters or dash cameras tapped into the wrong ground circuit can drop voltage to the deactivation switch.

Clear the codes and scan the car again. If the code shifts from B2729 to the code for the front right corner (like B272C), you have confirmed the sensor itself is internally shorted and needs to be replaced. If the code stays at B2729, the wiring harness or the control module is the culprit. National Highway Traffic Safety Administration (.gov) for your specific Nissan model? 28438-5ZA2B - Park Sensor Official Nissan Parts Store nissan b272914 better