VCDS 15.7.4: How to Perform Output Tests and Basic Settings for Your Car's Components
What is VCDS 15.7.4 and why do you need it?
If you own a Volkswagen, Audi, Seat or Skoda car, you may have heard of VCDS, which stands for VAG-COM Diagnostic System. VCDS is a software that allows you to communicate with your car's control modules using a simple interface cable. With VCDS, you can perform various diagnostic and repair tasks, such as reading and clearing fault codes, accessing and modifying settings, performing output tests and basic settings, and more.
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VCDS 15.7.4 is the latest version of VCDS that supports most of the VAG models from 1990 to 2015. It has many new features and improvements, such as:
Partial support for VW Crafter vans
More universal airbag coding assistant
New upload debug/log file function
Revised and expanded ROD (ODX) data
New USB drivers compatible with Fresco Logic USB3 chipsets
Enhanced interpretation of status byte for DTCs in UDS modules
New area to display additional info for basic settings
New data types for generic OBD-II mode 9
New version of LCode
Revised and expanded label files
VCDS 15.7.4 can help you save time and money by allowing you to diagnose and fix your car problems yourself, without going to a dealer or a mechanic. You can also customize your car's features according to your preferences, such as changing the language, enabling or disabling functions, adjusting parameters, etc.
How to install VCDS 15.7.4 on your computer?
To install VCDS 15.7.4 on your computer, you will need the following:
A Windows-based PC (Windows 2000, XP, Vista, 7, 8, 8.1 or 10) with at least 2GB of RAM
A HEX+CAN or HEX-V2 interface cable that connects your PC to your car's OBD-II port
A VCDS 15.7.4 software CD or a downloaded file from a reliable source
The installation steps are as follows:
Connect the interface cable to your PC's USB port
Insert the CD or run the downloaded file
Follow the instructions on the screen to install the software and the drivers
When prompted, enter your name and email address
Restart your PC when the installation is complete
Launch VCDS from the desktop shortcut or the start menu
How to use VCDS 15.7.4 to diagnose and repair your car?
To use VCDS 15.7.4 to diagnose and repair your car, you will need to connect your PC to your car using the interface cable.
VCDS 15.7.4 supports most of the VAG models from 1990 to 2015, using different protocols such as K-Line/KL line/KKL-Line/VAG-COM 311/VAG-COM 409/ISO 9141-2.
You can check the compatibility of your car model with VCDS 15.7.4 on this website: https://www.obd2tuning.com/news/vag-com-15-7-4-download-vag-vcds-15-7-4-china-clone-vagcom-vcds-a-1994.html
How to scan for fault codes and clear them?
One of the most common uses of VCDS is to scan for fault codes (also known as trouble codes or error codes) that indicate problems with your car's systems or components.
To scan for fault codes using VCDS 15.7.4, follow these steps:
Turn on the ignition but do not start the engine
Connect the interface cable to your car's OBD-II port (usually located under the dashboard)
Launch VCDS on your PC and click on "Select"
Select your car model from the drop-down list or click on "Auto Scan"
Wait for VCDS to scan all the control modules in your car
Review the results on the screen or click on "Save" to save them as a file
If there are any fault codes, they will be displayed in red with a description and a status byte
To clear the fault codes, click on "Clear Codes" or press F6
Confirm that you want to clear the codes by clicking on "Yes"
Wait for VCDS to clear the codes and display "No Fault Codes Found"