how to fix P0706 transmission code in Tesla Model S Original (2012-2020)

Learn how to diagnose and fix P0706 transmission code in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the vehicle's battery to prevent electrical shocks.
• Ensure the vehicle is parked on a level surface and set the parking brake.

2. Inspect and Clean the Connector

• Tools Required: Screwdriver, electrical contact cleaner.
• Remove the transmission range sensor connector from the sensor.
• Clean the connector pins with electrical contact cleaner and a soft brush.
• Check for any signs of moisture or corrosion and address as needed.

3. Replace the Transmission Range Sensor

• Tools Required: Socket set, torque wrench.
• Locate the transmission range sensor on the transmission.
• Disconnect the electrical connector from the sensor.
• Remove the mounting bolts securing the sensor using a socket set.
• Carefully pull the old sensor out of its mounting location.
• Install the new transmission range sensor, ensuring it is seated properly.
• Torque the mounting bolts to the manufacturer’s specifications (typically around 10-15 Nm, but verify with the service manual).
• Reconnect the electrical connector to the new sensor.

4. Refill Transmission Fluid (if necessary)

• Tools Required: Funnel, fluid pump (if needed).
• If fluid was lost during the repair, refill the transmission with the recommended fluid type (Tesla's proprietary transmission fluid).
• Check the fluid level using the dipstick or fill plug method as applicable.

5. Reconnect Battery and Clear Codes

• Reconnect the vehicle's battery terminals.
• Use the OBD-II scanner to clear the P0706 code from the system.
• Start the vehicle and allow it to reach operating temperature.