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Volkswagen Read & Clear Fault Codes

⌂ » Vehicles » Volkswagen

Posted onJul 16, 2020Dec 30, 2022 Updated onDec 30, 2022

Is the check engine light illuminating your Volkswagen dashboard? Learn how to read and clear the fault codes that cause your check engine light to switch on by using an OBD-II Scanner.

This guide will show you how to read the Volkswagen fault codes like the dealer. To read VW codes, you will need an OBD-II scanner that can read VW codes. Generic OBD-II scanners aren’t recommended because they often will not show a fault code even when a DTC code is stored in one of the modules.

YOUCANIC UCAN2 SCANNER

The YOUCANIC Full System Scanner can read and clear fault codes through every vehicle’s control module.

How to read VW fault codes

This is how to read fault codes from all the modules. The Volkswagen dealership carries out the same procedure, typically costing $130-$165.

  1. Get a VW OBD2 All System Scanner.
  2. Connect the scanner to the OBD-II port under the dashboard. Driver’s side. vw obd2 port
  3. Turn on the ignition but do not start the engine. turn on ignition diagnose read fault codes
  4. Turn on the scanner and select VW from the model list.  Diagnose VW codes
  5. Press OK to read VIN.
  6. Select a Health Check or Auto-Scan to allow the scanner to read the fault codes from all the modules. Read VW Fault Codes
  7. Review all the modules that have fault codes. Pay attention to ACTIVE codes. VW Fault Codes

You need to pay close attention to codes that are ACTIVE or PRESENT. Those codes indicate a current problem that needs to be fixed. Codes that show as stored or passive can be cleared by going back to the main menu and selecting Clear Fault Codes.

On average, a Volkswagen vehicle, such as Jetta, Golf, Passat, Tiguan, Routan, Eos, etc., will have fifteen modules such as an engine control module (ECU), transmission module, ABS module, airbag/srs module, climate control module, window module, etc. Every single module can store fault codes. A fault code is stored in a module that detects one or more of the sensors it monitors operating out of range.

My OBD-II scanner shows no codes; why?

If you are reading the check engine light, any OBD-II scanner will work. For example, you can use the UCAN-I scanner to read and clear check engine codes. If you need to read other fault codes (ABS, Airbag, Transmission, etc.), you will need a multi-system Volkswagen OBD-II scanner.

Please don’t use a generic OBD-II scanner because they typically only read fault codes from the engine control module (ECM). It will show no code if you try to read codes related to other modules, such as airbags, transmissions, ABS, traction control, etc. Get a full picture of what is wrong with your VW and a good scanner that can read and clear fault codes from all modules.

We hope you find the Volkswagen Read & Clear Fault Codes guide helpful. Check these troubleshooting and repair guides for more help on your Volkswagen.

Author

  • Rushit Hila • ASE Certified
    Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

    View all posts

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