P1725 - NT Revolution Sensor Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Input Turbine (NT) Speed Sensor
  • Input Turbine (NT) Speed Sensor harness is open or shorted
  • Input Turbine (NT) Speed Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1725 Description

This sensor detects the rotation speed of the input turbine. By comparing the input turbine speed signal (NT) and the counter gear speed sensor signal (NC), the ECM detects the shift timing of the gears and appropriately controls the engine torque and hydraulic pressure in response to various conditions, thus performing smooth gear shifting.
OBDII Code P1725 - NT Revolution Sensor Circuit Malfunction - AutoCodes.com

P1725 Information for specific makes

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