how to solve the P0700 code on Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather all necessary tools and parts for the repair.
• Disconnect the negative battery terminal to ensure safety during the repair.

2. Check Transmission Fluid

• Sub-steps:
  • Locate the transmission dipstick (if applicable) or access the fill plug.
  • Remove the dipstick or fill plug and wipe it clean.
  • Reinsert it and remove it again to check the fluid level.
  • If low, add the correct type of transmission fluid as specified in the owner's manual.
  • Inspect the fluid for a burnt smell or dark color, which indicates contamination.

3. Inspect Wiring and Connectors

• Sub-steps:
  • Trace the wiring harness to the TCM and inspect for frays or corrosion.
  • Disconnect the TCM connector and check for bent pins or corrosion.
  • Clean any corroded contacts with electrical contact cleaner.
  • Reconnect everything securely.

4. Test Transmission Control Module (TCM)

• Sub-steps:
  • Using a multimeter, check for the proper voltage at the TCM harness connectors as outlined in the service manual.
  • If voltage is incorrect, trace the wiring back to the source for any breaks or shorts.
  • If the TCM is faulty, proceed to replace it.

5. Reassemble and Reset Codes

• Sub-steps:
  • Reconnect the negative battery terminal.
  • Use an OBD-II scanner to clear the trouble codes.
  • Test drive the vehicle to check for any reoccurrence of the P0700 code.