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

Learn how to diagnose and clear P0700 transmission fault 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 on a level surface and safely secured (use wheel chocks if needed).
• Disconnect the 12V battery for safety before starting work.

2. Fluid Inspection and Replacement

• Fluid Level Check:
  • Remove the transmission fluid dipstick (if applicable).
  • Check the fluid level; add Tesla-approved transmission fluid if necessary.
• Fluid Replacement (if needed):
  • Drain the old transmission fluid using a drain pan.
  • Replace with new Tesla-approved transmission fluid.
  • Tighten the drain plug to the manufacturer’s torque specifications.

3. Wiring and Connectors Inspection

• Visually inspect the wiring harness and connectors leading to the TCM.
• If damage is found, repair or replace the affected wires or connectors.
• Ensure all connections are secure and free from corrosion.

4. Software Update

• Connect the vehicle to Wi-Fi.
• Using the Tesla service tools, check for firmware updates.
• Follow the instructions provided to update the vehicle's software, as this may resolve communication issues related to the TCM.

5. Clear Fault Codes

• Reconnect the 12V battery.
• Use the OBD-II scanner to clear the P0700 and any related codes.
• Perform a systems check to ensure no codes reappear.