How to Diagnose and Fix P0846 Engine Code - OBD II Trouble Code Explain

OBD-II Code P0846 is defined as a Transmission Fluid Pressure Sensor/Switch 'B' Circuit. It means that the engine's control module or Transmission Control Module detects an issue with the hydraulic clutch or the pressure switch, which can affect the transmission's ability to shift smoothly.
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[@marudindraper6531]

Same issue my nissan sentra 2013model P0846 Sensor pressure/switch B.

[@marudindraper6531]

How can i check the located of fluid sensor pressure?