how to fix P0700 transmission code in Tesla Model Y Current (2020-present)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Disconnect the vehicle from any charging sources.

2. Fluid Inspection and Replacement

• Check Fluid Level:
  1. Locate the transmission fluid dipstick or fill plug.
  2. Pull the dipstick, wipe it clean, reinsert, and then pull it out again to check fluid level.
• Replace Fluid if Necessary:
  1. If fluid is low or contaminated, drain the existing fluid using a fluid pump or drain plug.
  2. Replace with manufacturer-recommended transmission fluid.
  3. Refill to the correct level using a funnel.

3. TCM Inspection

• Inspect Connections:
  1. Disconnect the TCM connector carefully.
  2. Inspect for corrosion or bent pins; clean with electronic contact cleaner if necessary.
• Reconnect and Test:
  1. Reconnect the TCM connector securely.
  2. Clear the codes using the OBD-II scanner.

4. Software Update

• Check for Updates:
  1. Connect the vehicle to Wi-Fi.
  2. Navigate to the software settings and check for any available updates.
  3. Follow on-screen instructions to install updates if available.

5. Recheck Codes

• After performing the above steps, use the OBD-II scanner to verify if the P0700 code has cleared.