Engine-CodesMercury – P1705 Mercury

P1705 Mercury Code - Transmission Range Sensor Out Of Self-Test Range

Quick Answer

The P1705 code for a Mercury vehicle indicates that the Transmission Range Sensor is out of self-test range. Common causes include Faulty transmission range sensor, Wiring or connector issues in the transmission range sensor circuit, Corrosion or damage to the sensor itself. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1705 Mercury indicates Transmission Range Sensor Out Of Self-Test Range .
Common causes
Common causes include Faulty transmission range sensor, Wiring or connector issues in the transmission range sensor circuit, Corrosion or damage to the sensor itself.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P1705 Mercury Description

The P1705 code for a Mercury vehicle indicates that the Transmission Range Sensor is out of self-test range. This sensor is responsible for detecting the position of the gear shift lever in order to inform the vehicle's computer system which gear has been selected. When the sensor is out of self-test range, it means that the signal being sent to the computer is not within the expected parameters, potentially causing issues with shifting gears accurately. This can lead to transmission problems, such as harsh shifting, delayed engagement, or even the inability to shift gears at all. If not addressed, this issue can result in further damage to the transmission system and potentially lead to a complete transmission failure.

OBDII Code P1705 Mercury - Transmission Range Sensor Out Of Self-Test Range
P1705 Mercury Code - Transmission Range Sensor Out Of Self-Test Range

Common Causes of P1705 Mercury

  1. Faulty transmission range sensor
  2. Wiring or connector issues in the transmission range sensor circuit
  3. Corrosion or damage to the sensor itself
  4. Electronic control module (ECM) malfunction
  5. Software issues in the vehicle's computer system

Symptoms of P1705 Mercury

  1. Harsh shifting between gears
  2. Delayed engagement when shifting gears
  3. Inability to shift gears
  4. Incorrect gear display on the dashboard
  5. Engine stalling when shifting gears

How to Fix P1705 Mercury

  1. Diagnose the issue by using a scan tool to read the transmission range sensor data and check for any fault codes.
  2. Inspect the wiring and connectors associated with the transmission range sensor for any damage or corrosion.
  3. Test the transmission range sensor for proper operation and replace if necessary.
  4. Clear the fault codes and reset the vehicle's computer system.
  5. Test drive the vehicle to ensure that the transmission is shifting correctly and that the code does not reappear.

Cost to Fix P1705 Mercury

The cost of repairing a P1705 code on a Mercury vehicle can vary depending on the specific cause of the issue. In general, the cost of replacing a transmission range sensor can range from $100 to $300, while addressing wiring or connector issues may cost between $50 to $150. Labor costs can add an additional $80 to $150 per hour, and the total repair bill could amount to anywhere from $200 to $500 or more. It's advisable to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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