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

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent electrical shorts.
• Gather fluids if a transmission fluid change is necessary.

2. Address Transmission Fluid Issues

• Check Fluid Level:
  • Locate the transmission dipstick (if equipped) and remove it.
  • Wipe it clean, reinsert, and remove to check the fluid level.
• Change Fluid if Contaminated:
  • Use a socket set to remove the transmission pan bolts.
  • Drain the old fluid into a suitable container.
  • Remove the filter and replace it with a new one.
  • Reinstall the pan with a new gasket, ensuring a proper seal.
  • Refill with the manufacturer-recommended transmission fluid type.

3. Repair or Replace TCM

• Inspect and Repair Wiring:
  • Examine the wiring harness for frayed wires or bad connections.
  • Repair any damaged wires with electrical tape or replace as necessary.
• Replace TCM if Necessary:
  • Disconnect the wiring harness from the TCM.
  • Remove any mounting bolts with a socket set.
  • Install the new TCM, ensuring it is properly secured.
  • Reconnect the wiring harness.

4. Clear Codes and Test Drive

• Reconnect the battery.
• Use the OBD-II scanner to clear all fault codes.
• Conduct a test drive to ensure the transmission operates smoothly without returning any codes.