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

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

Solution

1. Preparation

• Gather tools and materials needed for the repair.
• Ensure the vehicle is parked on a flat surface and turn off the ignition.
• Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Inspect Transmission Fluid

• Tools Required: Fluid pump, container for fluid.
• Remove the transmission fluid filler cap.
• Use a fluid pump to extract a small amount of fluid for inspection.
• Check fluid level with the dipstick (if available) or by the manufacturer’s specifications.
• If fluid is low, add the correct type of transmission fluid as specified in the owner’s manual.

3. Update Transmission Control Module Software

• Tools Required: Laptop with Tesla software.
• Connect the laptop to the vehicle using the appropriate interface.
• Open the Tesla software and check for available updates for the transmission control module.
• Follow the on-screen instructions to update the software if an update is available.

4. Inspect Wiring and Connectors

• Tools Required: Multimeter, wire brush.
• Visually inspect all wiring and connectors leading to the transmission control module for damage.
• Use a multimeter to check for continuity in the wiring.
• Clean any corrosion off connectors using a wire brush and reconnect securely.

5. Replace Transmission Control Module (if necessary)

• Tools Required: Socket set, torque wrench.
• Disconnect the battery again.
• Remove the transmission control module from its housing, typically secured by bolts.
• Install the new transmission control module and torque the bolts to the manufacturer's specifications.
• Reconnect the battery and clear any fault codes using an OBD-II scanner.