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  1. Uwe@Ross-Tech

    Service light reset - the solution

    In most model year 2008 and newer Audis (but not VW, Seat or Skoda) there are three different counters running, any of which can make the Service reminder come on. One is for a standard service, the second is for a mileage-based inspection, and the third is for a time-based inspection. If...
  2. Uwe@Ross-Tech

    usb library error

    If it's genuine, by all means contact us: Support[at]Ross-Tech.com Please include your full name and the serial number from the product label on the interface, like this: -Uwe-
  3. Uwe@Ross-Tech

    No coding information available for ECU

    If you're a registered user, please send a complete Auto-Scan to Support@Ross-Tech.com so we can see exactly what control modules are installed in the car and what is and isn't documented for them. Please include a link to this thread and tell us exactly what you're trying to do in terms of...
  4. Uwe@Ross-Tech

    TT N Chasis "Interior Monitor" error

    Does the car have an interior monitoring system? If so, it should respond at address 45 and chances are you've got a dodgy connection between it and the central locking system. If it doesn't have one, chances are something is incorrectly coded. -Uwe-
  5. Uwe@Ross-Tech

    2007 A6 Avant rear parking brake

    See this page in the Ross-Tech Wiki. -Uwe-
  6. Uwe@Ross-Tech

    A3 coming Home/leaving Home lights

    Yes, we absolutely want people to post (or send us) scans and issues (i.e. problems or questions). Public forums are great because questions (and answers when available) are visible to others as well, which is why we try to support the such forums. In the long run, users helping each other...
  7. Uwe@Ross-Tech

    A3 coming Home/leaving Home lights

    Again, we have no influence over how a control module responds to the various bits that you can change with our software. Nor do we have every car, control module, and firmware variant to test the what happens when you change a particular bit, something which can be further complicated by how...
  8. Uwe@Ross-Tech

    A3 coming Home/leaving Home lights

    It doesn't do anything within VC. VC simply gives you the ability to turn that bit on or off in that control module, and the control module will behave differently depending on whether the bit is on or off. The fact that VC version 904 now has that bit labeled "Coming Home Logic (0=Old /...
  9. Uwe@Ross-Tech

    A3 coming Home/leaving Home lights

    I really don't know what the difference is between the Old and the New Coming Logic. There shouldn't be any harm in turning on that bit to see what it does. You can always turn it off again. Keep in mind: We make a tool that allows you to twiddle bits that correspond to a bunch of options...
  10. Uwe@Ross-Tech

    newby vag com

    Not being funny either, but it would appear that whatever you sent Sebastian wasn't sufficient to be able to figure this out, and I don't want to play whisper down the lane with old data. Since it seems this is bothering you enough to rant at some of my other guys via PM, it seems to me that...
  11. Uwe@Ross-Tech

    newby vag com

    The reason it isn't fixed is because none of us has been able to reproduce the problem, and it isn't for lack of trying either -- I personally own an A3 2.0T that we've tried to make this happen on. Those of you who experience this problem, please e-mail me directly: Uwe[at]Ross-Tech.com...
  12. Uwe@Ross-Tech

    A/C not working - Faults found:

    What happens why you try to access 08-HVAC? -Uwe-
  13. Uwe@Ross-Tech

    Has anyone in the UK bought VAG COM from the US?

    Very likely true. Which is why we state the following on the Terms & Conditions page (where you have to click the "I agree" button): [/SIZE]But please don't blame us for the duties and taxes levied by your government! :P -Uwe-
  14. Uwe@Ross-Tech

    Function tests

    You realize that the throttle pedal does not communicate with the throttle body, right? The ECU reads the position of the throttle pedal. It interprets this as a request for torque. Then the ECU commands the throttle to open however much it thinks is needed to produce the amount of torque...
  15. Uwe@Ross-Tech

    dis-able front brake sensor 99 A6

    Recode the instrument cluster. A current version of VAG-COM will pop up a coding chart that tells you how when you do the following: [Select] -> [17-Instruments] -> [Coding]. -Uwe-
  16. Uwe@Ross-Tech

    Function tests

    As a general rule, you can reproduce such a function test with VC if you know what the VAS is actually doing during such a test. The whole "Guided Functions" thing is nothing but a bunch of scripts that use the same functions you'd find in Self-Diagnosis or VC. Unfortunately, figuring out...
  17. Uwe@Ross-Tech

    2008 S3 Vagcom help

    Been here? -Uwe-
  18. Uwe@Ross-Tech

    DSG Fault A3 8P - Clutch temperature monitoring & Transmission Input Speed Sensor

    The "Mechatronic" is the Transmission Controller Electronics, as well as a number of sensors and actuators all in one unit. I believe it can be replaced without removing the transmission from the car, but replacing it likely to be costly. -Uwe-
  19. Uwe@Ross-Tech

    DSG Fault A3 8P - Clutch temperature monitoring & Transmission Input Speed Sensor

    We've been digging for that, but unfortunately haven't found anything. We suspect this stuff is all integrated inside the Mechatronic unit (J734). -Uwe-
  20. Uwe@Ross-Tech

    A4 ECU unable to read faults.

    What year A4? What engine? What type of VC lead? What version of VC? I see you were able to connect with the ABS, but what about all the other systems in the car? -Uwe-