what does it mean if my Skoda Octavia has a P0720 code

Learn how to diagnose and fix P0720 vehicle speed sensor issues in Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to ensure safety.

2. Inspect and Clean the Vehicle Speed Sensor

• Locate the VSS, usually found on the transmission.
• Remove any dirt or debris around the sensor to prevent contamination.
• Unplug the electrical connector from the speed sensor.

3. Replace the Vehicle Speed Sensor

• Remove the bolts securing the VSS using a socket set.
• Carefully pull the sensor out of the transmission.
• Compare the old sensor with the new one to ensure compatibility.
• Install the new VSS into the transmission, ensuring it seats properly.
• Reattach the bolts and tighten to manufacturer specifications (typically around 10-15 ft-lbs).

4. Reconnect Electrical Connections

• Plug the electrical connector back into the new speed sensor.
• Check the wiring harness for any signs of wear or damage, repairing as necessary.

5. Reconnect Battery and Test

• Reconnect the battery terminals.
• Start the engine and clear the P0720 code using the OBD-II scanner.
• Take the vehicle for a test drive to ensure proper operation and monitor for any check engine light re-illuminating.