how to fix P0700 transmission code in Tesla Outback 5th Generation?

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and has cooled down.
• Disconnect the battery to prevent electrical shorts.

2. Addressing Transmission Fluid Issues

• Remove the transmission fluid fill plug and check fluid level.
• If low, add the manufacturer-recommended transmission fluid until the proper level is reached.
• If fluid is burnt or contaminated, proceed to drain and replace the fluid.
  • Sub-steps:
    • Place a drain pan under the transmission.
    • Remove the transmission drain plug and allow fluid to drain completely.
    • Replace the drain plug and torque to manufacturer's specifications.
    • Refill with new transmission fluid using a funnel.

3. Repairing Wiring or Connector Issues

• Inspect the TCM connector and wiring harness for damage.
• If damaged, repair or replace the wiring and connectors as needed.
  • Sub-steps:
    • Cut and strip the damaged wire ends.
    • Use appropriate connectors to splice in new wiring.
    • Ensure all connections are secure and insulated.

4. Replacing the TCM (if necessary)

• If the TCM is faulty, remove it for replacement.
  • Sub-steps:
    • Locate the TCM, typically found near the transmission.
    • Disconnect the electrical connectors from the TCM.
    • Remove the mounting bolts and take out the TCM.
    • Install the new TCM and secure it with bolts.
    • Reconnect the electrical connectors.

5. Reconnecting Battery and Testing

• Reconnect the battery.
• Start the vehicle and allow it to reach operating temperature.
• Drive the vehicle to check if the transmission operates smoothly and confirm that the check engine light is off.