how to fix P0700 code on my Volkswagen Golf Eighth Generation (2020-present)

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and the ignition is off.
• Disconnect the negative battery terminal to prevent electrical shocks.

2. Check and Replace Transmission Fluid

• Sub-steps:

  1. Locate the transmission dipstick or fill plug.
  2. Remove the dipstick or plug and check the fluid level.
  3. If low, add the manufacturer-recommended transmission fluid until it reaches the correct level.
  4. If fluid is burnt or contaminated, drain the old fluid and replace it with fresh fluid.

• Tools Required:

  • Transmission fluid pump
  • Funnel

3. Inspect and Repair Wiring

• Sub-steps:

  1. Visually inspect all wiring and connectors related to the TCM.
  2. Repair or replace any damaged wires or connectors.
  3. Ensure all connections are secure and free from corrosion.

• Tools Required:

  • Wire strippers
  • Electrical tape or heat-shrink tubing

4. Replace TCM (if necessary)

• Sub-steps:

  1. Locate the TCM, typically found near the transmission or under the dashboard.
  2. Disconnect the electrical connectors and remove any mounting bolts.
  3. Install the new TCM by reversing the removal steps.
  4. Reconnect the battery terminal.

• Tools Required:

  • Socket set
  • Torque wrench