Vag-com

//www.ross-tech.com/

An Open-Circuit Test On MMI 2G MOST Bus and VCDS Read Out Results

MMI 2G Diagram

Audi MMI 2G & 3G MOST bus is very simple but yet very hard to diagnose which components connected to the bus is faulty due to the serial optical connections. If the system is not thoroughly tested and diagnosed, many good parts can be replaced in the process. This is a simple test just show that an open

High Pressure Sensor (G65) – AC Blows Hot Air

fix the leak by applying epoxy

If everything is in place and the AC is not cold, it could be the outside (ambient) temperature sensor is faulty. The sensor is clipped in front of the radiator, which the bumper must be removed to replace. Improve cooling performance?  Fixed it. – Audi A8 D3 AC system: As I understand while having this

How To Use VCDS (Vag-Com) With Mac OS X

vcds

These days, many people moved from Windows OS to Mac OS X computers. Audi uses VCDS diagnostic software to diagnose problems and stuff, but VCDS only runs in Windows OS. VMware Fusion 7 will help to run Windows in Virtual machine without logging out and boot into Windows OS. VMware Fusion is painless to install and

How To Install And Activate Ross-Tech VCDS (VAG-COM) OBDII Dongle

VCDS set up

One of the reasons I like Audis is because I can get an OBDII dongle from Ross-Tech to scan and do things with my Audis. The price of the dongle should be built into the cost of getting an Audi IMO. This is how I set mine up, very straight forward.

Enable Q7 Voice Control MMI 2G

After using the Voice Control on A8, I want to use it on my 08 Q7, but it’s “INACTIVE BUTTON”. I don’t have navigation on my Q7, but I have bluetooth. The manufacturer DISABLED the voice control module. Now I can ENABLE it using VCDS (VAG-COM). If the voice and command button don’t work, revert