how to fix P0700 code on Volkswagen Golf Seventh Generation (2013-2020)

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and securely lifted if necessary.
• Disconnect the negative battery terminal to avoid electrical shorts.

2. Check and Replace Transmission Fluid

• Sub-steps:
  1. Locate the transmission dipstick and remove it.
  2. Check fluid level. If low, add the recommended transmission fluid (VW G052162A2).
  3. If fluid is burnt or contaminated, drain the transmission fluid from the drain plug.
  4. Replace with new transmission fluid, ensuring the correct quantity is added.
• Tools Required: Socket set, funnel.

3. Inspect and Repair Wiring/Connectors

• Sub-steps:
  1. Visually inspect the wiring harness and connectors linked to the TCM.
  2. Look for frayed wires, corrosion, or loose connections.
  3. Repair or replace any damaged wiring or connectors.
• Tools Required: Wire cutters/strippers, electrical tape, soldering iron (if necessary).

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

• Sub-steps:
  1. If the TCM is found defective during testing, disconnect it.
  2. Remove the old TCM by unscrewing the mounting bolts.
  3. Install the new TCM and secure it with bolts.
  4. Reconnect the wiring harness.
• Tools Required: Socket set, screwdrivers.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the P0700 code and any associated codes.
• Tools Required: OBD-II scanner.