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  1. MVB groups 103 and 106 should have fuel pressure...

    MVB groups 103 and 106 should have fuel pressure readings. What are those pressures during cranking?
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    2-019 A5 Cabrio, 2.0T CYMC

    Thursday,17,October,2019,16:18:52:56403
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.0 (x64) HEX-NET CB: 0.4513.4
    Data version: 20190930 DS308.0...
  3. Take a look at fuse SC29, make sure the terminals...

    Take a look at fuse SC29, make sure the terminals for that fuse have good bite onto the fuse blades... while you have that fuse out, replace it. If still having issues, unplug airbag module and...
  4. Some wonky SRI was most likely done. This thread...

    Some wonky SRI was most likely done. This thread is relevant:

    https://forums.ross-tech.com/showthread.php?1874-Audi-Q3-fault-code-1048578-No-Basic-Setting

    Thing get interesting around post #17...
  5. The text in red I added, the older HEX+CAN isn't...

    The text in red I added, the older HEX+CAN isn't able to deal with that kind of data, but our HEX-NET and HEX-V2 customers would see that.

    So at face value, looks like you've got a bad airbag...
  6. We have your email, but we'd rather do this on...

    We have your email, but we'd rather do this on the forum so other people can chime in and also for the next person that has this issue can possibly find answers. Please post your Auto-Scan here.
    ...
  7. Not to be a Jack here... but how do you know...

    Not to be a Jack here... but how do you know compression is good? 1700 is just a number on the odometer, not an indication of compression. You've got an engine that doesn't fire, one must check the...
  8. How is the compression? Do you have spark? If...

    How is the compression? Do you have spark? If you spray a little bit of starter fluid into the intake during cranking, does it fire? Does the tachometer show RPM during cranking?
  9. Generally speaking, with gas engines, there is no...

    Generally speaking, with gas engines, there is no real need to bleed the fuel system, it will take care of itself quickly.

    I do see two things that look like they can run the lift pump in the...
  10. Fault codes or not, please always include a full...

    Fault codes or not, please always include a full Auto-Scan. If I want to try and look at wiring diagrams for this... I have no clue what I'm digging into...... I don't know what ECM you have...
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    So resorting back to the older soft coding for...

    So resorting back to the older soft coding for the [XYZ] module resolved the issues? If so, can you post a follow up Auto-Scan? Why/how did these coding changes occur in the first place beyond the...
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    So there has been some coding tweaks going on. ...

    So there has been some coding tweaks going on.

    09: J519
    48180A3B8025F1C0400800801000012443013088524D85605C8000000040 original coding
    40180A388073B5D8000800891500812443613088524D8563DC8020000040...
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    Scan Tool Functions training video

    https://www.youtube.com/watch?v=mgpdcymifMg

    Another unpolished training video on the different diagnostic functions in the VAG family of vehicles.

    The other training videos here:...
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    ..... a leather what? And what kind of cam cam...

    ..... a leather what? And what kind of cam cam with your rns510? :rolleyes:

    So your Steering Wheel Electronics (J527) is reporting to VCDS, but you've got several modules that says it isn't...
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    You've got some codes for the J527 not talking,...

    You've got some codes for the J527 not talking, but there it is in the Auto-Scan, talking away. Is this car bone stock? Has it been modified or altered in any way since it left the factory?
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    It all depends on what the car has. VCDS doesn't...

    It all depends on what the car has. VCDS doesn't do magic, it works within the limits of how THAT car, more specific, THAT control module was designed. So cars with the same sheet metal can have...
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    Maybe try a battery jesus: unhook the battery...

    Maybe try a battery jesus: unhook the battery cables, touch them together for 30 seconds, hook battery back up and see if the Immobilizer plays nice.
  18. Phew, that is a hard Auto-Scan to read,...

    Phew, that is a hard Auto-Scan to read, formatting was all wonky... but better than no Auto-Scan. :rolleyes:

    -------------------------------------------------------------------------------...
  19. Thank you for posing a full Auto-Scan!!! ...

    Thank you for posing a full Auto-Scan!!! :thumbs:

    The J851 is located under the right front seat. The R242 camera is located behind the plastic cover at the top/middle of the windshield. I...
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    Do you have good power/ground at the module...

    Do you have good power/ground at the module itself. Can you light up an old school test light at the connection for the module?
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    Wiring and terminal connections.

    Wiring and terminal connections.
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    When you see "Open Circuit" or "Short to GND"...

    When you see "Open Circuit" or "Short to GND" type fault codes, it is some sort of electrical path issue. After you verify the fuses are to factory design, I'd make sure the wiring and terminal...
  23. Just tossing this out there... but it would seem...

    Just tossing this out there... but it would seem that maybe the ECM goes dead at times. Clear codes in all the control modules. Start paying VERY CLOSE ATTENTION to the MIL bulb check when you turn...
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    If you ran an Auto-Scan prior to swapping things...

    If you ran an Auto-Scan prior to swapping things around, then you may of captured the ABS coding before it was lost:


    https://www.youtube.com/watch?v=Vg6m35YlHjk

    Jump to 2:10 in the video, it...
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    I'm thinking "Driver's Side Airbag Crash Sensor"...

    I'm thinking "Driver's Side Airbag Crash Sensor" should be the G179 sensor, located on the B-pillar.

    Now from there, I'd say the wiring runs up to towards the A-pillar and then somehow crosses...
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