Engine-CodesFord – P1705 1999 Ford F150

P1705 1999 Ford F150 Code - Transmission Range Sensor Out of Self-Test Range

Quick Answer

The P1705 diagnostic trouble code (DTC) specifically indicates that the Transmission Range Sensor (TRS) is out of self-test range. Common causes include Faulty Transmission Range Sensor, Wiring issues (shorts, open circuits), Misadjusted Transmission Range Sensor. 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 1999 Ford F150 indicates Transmission Range Sensor Out of Self-Test Range .
Common causes
Common causes include Faulty Transmission Range Sensor, Wiring issues (shorts, open circuits), Misadjusted Transmission Range Sensor.
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 Sep 11, 2024
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Code P1705 1999 Ford F150 Description

The P1705 diagnostic trouble code (DTC) specifically indicates that the Transmission Range Sensor (TRS) is out of self-test range. The TRS, also known as the Neutral Safety Switch or Transmission Position Sensor, is a crucial component in automatic transmissions that tells the vehicle's computer which gear the transmission is in. When the TRS is out of self-test range, it means that the signal it is sending to the Engine Control Module (ECM) or Transmission Control Module (TCM) is not within the expected parameters. This can lead to incorrect gear selection, erratic shifting, or even a complete failure to shift gears.

OBDII Code P1705 1999 Ford F150 - Transmission Range Sensor Out of Self-Test Range
P1705 1999 Ford F150 Code - Transmission Range Sensor Out of Self-Test Range

Common Causes of P1705 1999 Ford F150

  1. Faulty Transmission Range Sensor
  2. Wiring issues (shorts, open circuits)
  3. Misadjusted Transmission Range Sensor
  4. Malfunctioning ECM or TCM
  5. Corrosion or damage to electrical connectors

Symptoms of P1705 1999 Ford F150

  1. Erratic shifting or difficulty shifting gears
  2. Harsh or delayed gear engagement
  3. Difficulty starting the vehicle
  4. Limp mode activation
  5. Check Engine Light illuminated

How to Fix P1705 1999 Ford F150

  1. Begin by performing a thorough diagnosis to confirm that the Transmission Range Sensor is indeed the issue.
  2. Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Adjust the Transmission Range Sensor according to the manufacturer's specifications.
  4. If the TRS is found to be faulty, replace it with a new sensor. Ensure the new sensor is properly calibrated.
  5. Clear the DTC codes and test drive the vehicle to confirm that the issue has been resolved.

Cost to Fix P1705 1999 Ford F150

The cost of repairing a Transmission Range Sensor out of self-test range can vary depending on the specific cause of the issue and the cost of parts and labor in your area. Typically, the cost of a new Transmission Range Sensor can range from $50 to $150, depending on the vehicle make and model. Labor costs can add an additional $100 to $200, again depending on the hourly rates of the repair shop. In total, you can expect to pay anywhere from $150 to $350 for this repair. It is advisable to get a few quotes from different repair shops to ensure you are getting a fair price for the repair.

Tech Notes for P1705 1999 Ford F150

Verify gear selector is in Park/Neutral.

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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.

Frequently Asked Questions about P1705 1999 Ford F150 Code

1. What are the common symptoms of OBDII code P1705 on a 1999 Ford F150?

- Common symptoms of code P1705 include issues with shifting gears, the transmission staying in a single gear, or the vehicle not starting.

2. What does the OBDII code P1705 on a 1999 Ford F150 indicate?

- OBDII code P1705 indicates that the Transmission Range Sensor is out of self-test range, meaning the sensor is not functioning within the expected parameters.

3. What are the possible causes of OBDII code P1705 on a 1999 Ford F150?

- Possible causes of code P1705 include a faulty Transmission Range Sensor, damaged wiring or connectors related to the sensor, or a malfunction in the transmission control module.

4. How can I diagnose the OBDII code P1705 on a 1999 Ford F150?

- Diagnosing code P1705 involves using an OBDII scanner to retrieve the code, checking the wiring and connectors related to the Transmission Range Sensor, and testing the sensor itself for proper functionality.

5. Can I drive my 1999 Ford F150 with OBDII code P1705?

- It is not recommended to drive your vehicle with code P1705 as it can lead to transmission issues and potentially cause further damage. It's best to address the problem promptly.

6. How can I repair OBDII code P1705 on a 1999 Ford F150?

- Repairing code P1705 may involve replacing the Transmission Range Sensor, repairing or replacing damaged wiring or connectors, or reprogramming the transmission control module.

7. Is it safe to reset the OBDII code P1705 on a 1999 Ford F150 without fixing the underlying issue?

- Resetting the code without addressing the underlying problem may temporarily clear the error code, but the issue will likely reoccur. It is best to diagnose and repair the root cause.

8. Can a DIY enthusiast fix OBDII code P1705 on a 1999 Ford F150?

- Depending on your level of experience and access to tools, a DIY enthusiast may be able to address code P1705 by replacing the Transmission Range Sensor or checking the wiring. More complex repairs may require professional assistance.

9. How much does it typically cost to repair OBDII code P1705 on a 1999 Ford F150?

- The cost of repairing code P1705 can vary depending on the cause of the issue, the parts needed for repair, and whether you choose to do the repair yourself or seek professional help. Costs can range from a few hundred to over a thousand dollars.

10. Can unresolved OBDII code P1705 on a 1999 Ford F150 lead to other problems?

- Ignoring or leaving code P1705 unresolved can lead to further transmission issues, poor shifting performance, and potential safety hazards while driving. It is important to address the problem promptly.

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