my Volkswagen Golf MK7 (2015-2019) has a delay when shifting gears, what’s wrong

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.
• Jack up the vehicle and secure it on jack stands for better access to the transmission.

2. Check and Replace Transmission Fluid

1. Remove the transmission fluid pan (if applicable) to inspect the fluid.
   • Tools Required: Socket set, torque wrench.
2. Drain the old transmission fluid into a suitable container.
3. Replace the transmission filter if it is accessible.
   • Tools Required: Transmission filter kit.
4. Reinstall the pan and ensure it is sealed properly with new gasket or sealant.
5. Fill the transmission with the manufacturer-recommended fluid type.
   • Tools Required: Fluid pump.

3. Inspect and Repair Electrical Connections

1. Visually inspect the TCM and wiring harness for any signs of damage or corrosion.
2. Clean any dirty connectors with electrical contact cleaner.
3. Repair or replace any damaged wiring or connectors as identified during inspection.

4. Reprogram or Replace TCM (if necessary)

1. If diagnostic results indicate TCM issues, attempt to reprogram the TCM using a compatible scan tool.
2. If reprogramming fails, remove the TCM and replace it with a new unit.
   • Tools Required: Socket set, torque wrench.