how to fix P0706 transmission range performance code in Tesla Model S Plaid/Refresh (2021-present)?

Learn how to diagnose and fix P0706 transmission range performance issue in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the vehicle's battery to ensure safety.
• Allow the vehicle to cool down if recently driven.

2. Inspect and Replace Transmission Range Sensor

• Tools Required: Socket set, multimeter, torque wrench.
• Sub-steps:
  1. Locate the transmission range sensor on the transmission housing.
  2. Disconnect the electrical connector from the sensor.
  3. Remove the sensor using the appropriate socket size.
  4. Install the new sensor by reversing the removal steps, ensuring it is aligned correctly.
  5. Tighten the mounting bolts to the manufacturer’s specified torque setting.

3. Check Wiring and Connections

• Tools Required: Multimeter, wire repair kit (if necessary).
• Sub-steps:
  1. Inspect the wiring harness for frays or breaks and repair as needed.
  2. Clean any corrosion on terminals and connectors.
  3. Reconnect all electrical connections securely.

4. Fluid Inspection and Replacement

• Tools Required: Fluid pump, transmission fluid.
• Sub-steps:
  1. Check the transmission fluid level using the dipstick (if applicable).
  2. If fluid is low or contaminated, drain the old fluid and replace it with the manufacturer-recommended transmission fluid.
  3. Recheck the fluid level after replacement.

5. Reconnect Battery and Clear Code

• Reconnect the vehicle's battery.
• Use the OBD-II scanner to clear the P0706 code from the TCM.