P1705 - FAULT CODE - OBD2

POST UPDATED IN February, 2023

P1705 Code failures by brands

P1705 FORD, LINCOLN, MAZDA, MERCURY: TRANSMISSION RANGE SENSOR OUT OF SELF-TEST RANGE

Description of DTC code P1705

The Transmission Range Sensor (TR) is a Hall-effect sensor incorporated in the TCM (Transmission Control Module). It detects the automatic transmission range and reports it to the TCM, which in turn reads the voltage and adjusts the automatic transmission range accordingly.

The Transmission Control Module continuously monitors the Transmission Range Sensor to check for proper transmission range performance. If the transmission range circuit does not indicate Stop/Neutral during one of these self-tests, the P1705 OBD2 fault code will be set.

Symptoms of fault code P1705

  • Check Engine light is ON.
  • After a complete stop, a loss of power is noticeable.
  • Troubles when shifting gears.

Causes of OBD2 P1705

Reason to set the P1705 OBDII diagnostic code:

  • The gear selector may not be in Park/Neutral.
  • Transmission Range Sensor wires may be damaged.
  • The transmission range sensor may be faulty.

Possible solutions of the DTC code P1705

The steps to follow to troubleshoot DTC P1705 OBD2 are as follows:

  • Consult the Technical Service Bulletins.
  • Check all the Transmission Range Sensor circuit components for damage caused by corrosion, burns, or wear. If one of these conditions is discovered, repairs or replacements are necessary.
  • Measure the voltages of the Transmission Range Sensor Check that the power supply and reference signal values are the same as the manufacturer's specifications. If you discover deficiencies in one of these values, make the appropriate corrections.
  • Check the condition of the Transmission Range Sensor. Follow the diagnostic steps for it. If you detect damage to it, consider replacing it.

 

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