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

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

Solution

1. Preparation

• Gather the necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the vehicle's high-voltage battery to ensure safety.

2. Fluid Check and Replacement

• Sub-steps:
  1. Remove the transmission access cover if applicable.
  2. Check the transmission fluid level using the dipstick (if equipped) or by removing the fill plug.
  3. If the fluid is low or contaminated, drain the transmission fluid completely.
  4. Replace with manufacturer-recommended transmission fluid. Use a funnel to refill through the fill port to the correct level.
  5. Reinstall the access cover.

3. Electrical Inspection

• Sub-steps:
  1. Inspect the wiring harness connected to the transmission control module for any signs of wear or damage.
  2. Clean any corroded connectors with electrical contact cleaner.
  3. Reconnect any loose connections securely.

4. Module Reset and Reprogramming

• Sub-steps:
  1. Reconnect the high-voltage battery.
  2. Use the OBD-II scanner to clear any fault codes.
  3. Follow the manufacturer's procedures to reprogram the transmission control module if required.

5. Final Checks

• Sub-steps:
  1. Perform a test drive to ensure the transmission operates correctly.
  2. Monitor for any new error codes using the scanner after the test drive.

Tools Required:

• OBD-II scanner
• Transmission fluid pump
• Socket set
• Torque wrench
• Electrical contact cleaner
• Safety goggles and gloves

Parts Required:

• Manufacturer-recommended transmission fluid
• Transmission filter (if applicable)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the high-voltage battery before working on electrical systems.
• Allow the vehicle to cool before checking transmission fluid to avoid burns.