how to fix P0700 code in Tesla Model S Original (2012-2020)

Learn how to diagnose and fix P0700 transmission control issues in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and set the parking brake.
• Disconnect the vehicle's 12V battery to avoid electrical shorts.

2. Inspect and Replace Transmission Fluid

• Tools Required: Fluid pump, torque wrench, funnel, transmission fluid (OEM recommended type).
• Remove the transmission fluid drain plug and allow the fluid to fully drain into a suitable container.
• Inspect the old fluid for debris or burning smell.
• Reinstall the drain plug and torque to manufacturer's specifications.
• Fill the transmission with new fluid through the fill port until it reaches the correct level.

3. Check and Repair Wiring and Connectors

• Tools Required: Multimeter, wire crimping tool.
• Inspect all wiring harnesses connected to the TCM for fraying or corrosion.
• Use a multimeter to check for continuity in the wiring.
• Repair or replace any damaged wiring or connectors as necessary.

4. Replace Transmission Range Sensor

• Tools Required: Socket set, screwdrivers, torque wrench.
• Locate the transmission range sensor on the transmission housing.
• Remove the electrical connector and unbolt the sensor.
• Install the new transmission range sensor, ensuring it is properly aligned.
• Reconnect the electrical connector and secure it.

5. Reconnect Battery and Clear Codes

• Reconnect the 12V battery and ensure all connections are secure.
• Use the OBD-II scanner to clear the P0700 code and any related codes.
• Start the vehicle and check for any reoccurring error codes.