For most VW and Audi owners, Ross-Tech really is the way to go. For $200 you get a physical interface cable and all software needed to modify ECU parameters and read/clear error codes.

THE MANUFACTURERS:

• Ross-Tech (works on your laptop!!!)
• AST Tools
• Baum Tools
• MAC Tools
• Snap-On Tools

VW ERROR CODES:

• Error Codes and Explanations