how to fix P0700 transmission error code in Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle’s battery to ensure safety.

Tools Required:

• OBD-II scanner
• Multimeter
• Socket set
• Torque wrench
• Screwdrivers

2. Inspect and Replace Transmission Fluid (if necessary)

• Sub-steps:
  1. Locate the transmission fluid dipstick or fill port.
  2. Remove the dipstick and check fluid level; if low, add the appropriate type of transmission fluid (refer to the owner's manual).
  3. If the fluid is contaminated or burnt, drain the old fluid by removing the drain plug.
  4. Replace the transmission filter if applicable.
  5. Refill with new transmission fluid and check for leaks.

3. Repair or Replace Wiring/Connectors

• Sub-steps:
  1. Inspect the wiring harness for frayed wires or damaged connectors.
  2. Clean any corrosion from connectors using electrical cleaner.
  3. Repair damaged wires or replace faulty connectors as needed.

4. Test and Replace Transmission Control Module (if necessary)

• Sub-steps:
  1. Using a multimeter, verify the voltage and ground at the TCM connector.
  2. If voltage is insufficient, trace the wiring back to the battery or fuse box and repair as necessary.
  3. If the TCM is faulty, remove it by unscrewing the mounting screws and disconnecting the wiring harness.
  4. Install the new TCM and secure it with screws.

5. Clear Codes and Test Drive

• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear the P0700 code.
  3. Take the vehicle for a test drive to ensure the issue is resolved and monitor for any reoccurring codes.