how to fix P0700 code in Volkswagen Golf MK6 (2009-2014)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Address Transmission Fluid Issues

• Check Fluid Level:
  • Remove the transmission dipstick (if applicable).
  • Add the appropriate type of transmission fluid (VW G052162A2) until the correct level is reached.
• Replace Fluid:
  • If the fluid is contaminated, perform a fluid change.
  • Drain the old fluid from the transmission pan using a drain pan.
  • Replace the transmission filter if applicable.
  • Refill with new transmission fluid, ensuring to use the correct type.

3. Inspect and Repair Wiring

• Inspect Wiring:
  • Visually check the wiring harness and connectors for wear or damage.
  • Repair or replace any damaged wiring or connectors.

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

• Testing:
  • Reconnect the battery and use the OBD-II scanner to check for any pending codes.
  • If the same code appears, consider replacing the transmission control module.
• Replacement:
  • Remove the old TCM by unscrewing it from its mount.
  • Disconnect the wiring harness.
  • Install the new TCM by reversing the disassembly steps.

5. Clear Codes and Test Drive

• Use the OBD-II scanner to clear the P0700 code and any other transmission codes.
• Perform a test drive to ensure that the transmission operates smoothly without any warning lights.