how to troubleshoot P0700 code in Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather all necessary tools and ensure the work area is clean and well-lit.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Transmission Fluid

• Sub-steps:
  • Locate the transmission fluid dipstick (if equipped) and check the fluid level.
  • If fluid is low, add the correct type of transmission fluid (consult owner's manual for specifications).
  • If fluid is dirty or burnt, drain and replace it:
    • Remove the transmission pan (if applicable) using a socket set.
    • Clean the pan and replace the filter if necessary.
    • Reinstall the pan and refill with new transmission fluid.

3. Check and Repair Wiring

• Sub-steps:
  • Visually inspect all wiring harnesses and connectors leading to the TCM.
  • Repair any damaged wires or connections using electrical tape or heat shrink tubing.
  • If necessary, replace corroded connectors with new ones.

4. Test and Replace TCM

• Sub-steps:
  • Use a multimeter to ensure the TCM is receiving proper voltage and ground signals.
  • If the TCM is faulty, remove it from its mounting bracket and disconnect the wiring harness.
  • Install a new TCM by reversing the removal steps, ensuring all connections are secure.

5. Final Checks

• Sub-steps:
  • Reconnect the battery and clear any fault codes using the OBD-II scanner.
  • Test drive the vehicle to ensure proper operation of the transmission.