Is the ABS warning light in your Volkswagen blinking and you are not certain what to do next? The problem might be from the ABS Module. An ABS module that is not working properly poses a threat to the safety of your vehicle, especially when driving in wet or icy terrains. Knowing how to repair a faulty ABS module in your Volkswagen can help you avoid accidents. Here is a simple guide to aid you in this very important repair.
Diagnosing ABS Module Problems
- Check the ABS Fuse: To diagnose the problem with your Volkswagen’s ABS module, you can start by inspecting the ABS fuse. Find the fuse box in the car, normally under the central console, and look for the ABS fuse. If you have blown a fuse then you should replace it.
- Inspect Wheel Speed Sensors: The next components worth checking are the wheel speed sensors which are used by ABS to determine the speed of each wheel. To do this, you need to raise your car and remove the appropriate wheels to gain access to the sensors. Wipe the sensors with a soft brush or cloth to remove any dirt or debris and look for any physical damage. If you have any damaged sensors you should replace them with those that are compatible with your car’s model.
- Scan Error Codes: The next step is to look for error codes using an OBD-II scanner. Plug the scanner into the diagnostic port, which is usually found under the dashboard, and switch on the ignition. Read out the error codes as displayed by the scanner. This will help to pinpoint if the actual problem is the ABS module or its associated components.
- Examine Wiring: Check the wiring of the ABS. Start from the ABS module and follow the wiring to the wheel speed sensors then check the wiring and connectors for signs of wear such as broken wires, loose connectors, or rust.
Fixing the ABS Module
- Replace Blown Fuse: The first thing that should be done is to make sure that the fuse is not blown since it is a common cause of the ABS system not working. Find the ABS fuse in the fuse box and if it is blown, then remove it and fit it with a new one of the same current rating. This is a cheap and easy method that can help you to solve your ABS system problems very fast.
- Replace Damaged Wiring: The wiring and connectors connected to the ABS system can be damaged or corroded. Ensure that no wiring has been damaged or is showing signs of wear or rusting. If you see any wire that has been compromised you can wrap it up with electrical tape and connect it or replace the wire altogether. Ensure that the contacts are well established and are not corroded so that there is good electrical contact.
- ABS Module Replacement: If the ABS module itself is faulty it may be necessary to replace it. This is a slightly more complicated type of repair which usually can only be done with the help of a mechanic.
When to Consult an Expert
Most of the problems faced in an ABS module cannot be fixed with a simple DIY approach, therefore it is better to turn to specialists. If you are not sure of how to diagnose or repair the ABS system issues you should seek professional help from a mechanic. They have the equipment and the skills to properly assess and repair most ABS problems so your Volkswagen remains safe and reliable.
Come To The Top Volkswagen Repair Shop in Mountain View
Bavarium Autoworks is the 
best auto repair company for Volkswagen and other common European cars in Mountain View, CA. Our mechanics who are ASE certified are in a position to deal with any problem with your car. If you have any issues with your Volkswagen’s brakes or have observed the ABS light, then come to us. Aside from Mountain View, we also cater to drivers from Cupertino, San Jose, Palo Alto, Santa Clara, and Saratoga, CA. You can reach us now to book your next VW service.