Volkswagen Start Stop Not Working

As a Volkswagen technician, you know that the Start/Stop system can be a convenient feature for drivers. However, when it stops working, it can be a major inconvenience. This guide will help you troubleshoot the issue and get your Start/Stop system up and running again.

We will first discuss the purpose of the Start/Stop system and how it works. Then, we will go over the common causes of the system not working. Finally, we will provide step-by-step instructions on how to troubleshoot and potentially resolve the issue.

By following this guide, you can quickly and easily diagnose the problem and get your Start/Stop system back up and running.

Why Volkswagen Start Stop Not Working

Battery

The battery is the most common cause of a Volkswagen start-stop system not working. If the battery is low on charge, the system may not be able to start the engine when the driver’s foot is off the brake pedal.

Engine oil level

If the engine oil level is low, the start-stop system may not be able to start the engine because the oil pump will not be able to provide enough oil pressure to the engine.

Engine temperature

The start-stop system will not work if the engine is too cold. This is because the engine needs to be at a certain temperature in order to produce enough power to start the engine.

Engine speed

The start-stop system will not work if the engine is above a certain speed. This is because the engine needs to be at a certain speed in order to produce enough power to start the engine.

Transmission

The start-stop system will not work if the transmission is in a certain gear. This is because the engine needs to be in a certain gear in order to start the engine.

Software

There may be a software issue with the Volkswagen start-stop system. This can cause the system to not work properly.

How to Troubleshoot: Volkswagen Start Stop Not Working

What is the Volkswagen Start Stop System?

The Volkswagen Start Stop System is a feature that automatically shuts off the engine when the vehicle is stopped at a red light or in traffic. This saves fuel and reduces emissions. The system automatically restarts the engine when the driver releases the brake pedal.

What are the common problems with the Volkswagen Start Stop System?

There are a few common problems that can occur with the Volkswagen Start Stop System. These include:

The system not turning off when the vehicle is stopped
The system not restarting when the driver releases the brake pedal
The system turning off the engine when it should not
The system making a loud noise when it starts or stops the engine

How to troubleshoot the Volkswagen Start Stop System

If you are experiencing problems with the Volkswagen Start Stop System, there are a few things you can check to troubleshoot the issue.

Check the battery. The Start Stop System requires a healthy battery to function properly. If the battery is low, the system may not be able to start or stop the engine properly.
Check the alternator. The alternator charges the battery and provides power to the Start Stop System. If the alternator is not working properly, the system may not be able to start or stop the engine properly.
Check the engine control module (ECM). The ECM controls the Start Stop System. If the ECM is not working properly, the system may not be able to start or stop the engine properly.
Check the start stop switch. The start stop switch is a button that turns the Start Stop System on and off. If the switch is not working properly, the system may not be able to start or stop the engine properly.

How to fix the Volkswagen Start Stop System

If you have checked the battery, alternator, ECM, and start stop switch and the problem persists, you will need to take the vehicle to a Volkswagen dealer for further diagnosis and repair.

Preventative Maintenance

You can help prevent problems with the Volkswagen Start Stop System by following these tips:

Keep the battery properly charged.
Have the alternator checked regularly.
Have the ECM checked regularly.
Replace the start stop switch if it is damaged or malfunctioning.

By following these tips, you can help keep your Volkswagen Start Stop System running smoothly.

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