how to fix P0705 code in Toyota Tacoma N300 (2016-Present)

Learn how to diagnose and fix P0705 code related to the Transmission Range Sensor in Toyota Tacoma. Step-by-step guide with tools and procedures.

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is on a level surface and the parking brake is engaged.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Repair Wiring

• Sub-steps:

  1. Remove any protective covers to access the Transmission Range Sensor wiring.
  2. Visually inspect the wiring harness for frays, breaks, or corrosion.
  3. Repair any damaged wiring with solder and heat shrink tubing or replace the entire harness if necessary.

• Tools Required: Wire strippers, soldering iron, heat shrink tubing.

3. Replace Transmission Range Sensor

• Sub-steps:

  1. Locate the Transmission Range Sensor on the transmission.
  2. Disconnect the electrical connector from the sensor.
  3. Remove the mounting bolts securing the sensor to the transmission using a socket set.
  4. Install the new sensor by reversing the removal steps and ensuring it is properly aligned.

• Tools Required: Socket set, torque wrench.

4. Refill Transmission Fluid (if necessary)

• Sub-steps:

  1. If the fluid was low, add the appropriate type of transmission fluid through the dipstick tube or fill port.
  2. Check the fluid level with the vehicle running and in park to ensure it is at the proper level.

• Parts Required: Toyota recommended transmission fluid.

5. Reconnect Battery

• Reconnect the negative battery terminal and ensure all connections are secure.

6. Clear Codes

• Use the OBD-II scanner to clear the P0705 code from the vehicle's computer.