1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

I appear to have partial hill assist, without adding the option?

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by allanmb, Feb 24, 2014.

  1. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Feb 24, 2014]
    I have noticed a few times that when coming to a stop on a hill that the car automatically applies a bit of brakes. It doesnt hold for very long but maybe 2 or 3 seconds? I did not add hill assist and I dont know what full assist should behave like, but it feels like I have some assistance when stopping on a hill.

    Interestingly I have the 1AS ABS module on a facelift A4 so surely that means that it is not hill assist, but perhaps something else?
    #1
  2. Ads

    Ads

    [Dec 19, 2014]

  3. Audi Dynamik
    Offline

    Audi Dynamik Well-Known Member

    Joined:
    Sep 2, 2011
    Messages:
    2,187
    Likes Received:
    285
    [Feb 24, 2014]
    Is it Auto ?
    #2
  4. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Feb 24, 2014]
    Nope, it's a manual
    #3
  5. Anthony566
    Offline

    Anthony566 Active Member

    Joined:
    Nov 24, 2013
    Messages:
    677
    Likes Received:
    99
    [Feb 24, 2014]

    According to this you don't ... but that is interesting that you seem to get some kind of hold I shall have to find a hill and test it :)

    1AT - ESP ready for TMPS and Hill Hold
    1AS - ESP not ready for TPMS and Hill Hold
    #4
  6. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Feb 24, 2014]

    That's what I thought. I was going to add TPMS and Hill Assist until I saw that my ABS module is apparently incompatible. Now I am tempted to see what happens if I try...
    #5
  7. Anthony566
    Offline

    Anthony566 Active Member

    Joined:
    Nov 24, 2013
    Messages:
    677
    Likes Received:
    99
    [Feb 24, 2014]
    Mine is defiantly 1AS as I scanned it last night for the first time.

    The bit that is confusing me is what are the following letters to 8K0 907 379 CD

    Ah found it in the VCDS out put ....
    #6
  8. Anthony566
    Offline

    Anthony566 Active Member

    Joined:
    Nov 24, 2013
    Messages:
    677
    Likes Received:
    99
    [Feb 24, 2014]
    Could it be this ???

    Enable Automatic Hill Hold Assist ‘lite’*only works on certain abs modules - see below link*

    [03 - ABS brakes][Security Access - 16] (Enter code presented by program)
    [Coding – 07] -> Long Coding Helper -> Byte 1
    Bit 6 set to 1 to enable hill hold assist.
    #7
  9. Viking
    Offline

    Viking Member

    Joined:
    Mar 20, 2010
    Messages:
    223
    Likes Received:
    20
    [Feb 25, 2014]
    8K0 907 379 CD is the part number for the ABS control unit.
    #8
  10. dave_1501
    Offline

    dave_1501 New Member

    Joined:
    Jan 30, 2014
    Messages:
    26
    Likes Received:
    2
    [Feb 25, 2014]
    If it's of any interest my 2013 A4 BE also has this and I didn't spec it when I ordered it.....
    #9
  11. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Feb 26, 2014]
    I must have missed where VCDS says if it is a 1AT or 1AS (It says 1AS in my service book but it might be wrong>). My controller is a 8K0 907 379 CM
    #10
  12. Anthony566
    Offline

    Anthony566 Active Member

    Joined:
    Nov 24, 2013
    Messages:
    677
    Likes Received:
    99
    [Feb 27, 2014]
    Have you tried this yet Allan ? im going to try it at the weekend...
    #11
  13. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Feb 27, 2014]
    It wouldnt grant me access to the controller. VCDS told me an access code and it didn't work :(
    #12
  14. ny tdi
    Offline

    ny tdi New Member

    Joined:
    Oct 11, 2013
    Messages:
    16
    Likes Received:
    1
    [Mar 14, 2014]
    Yup, I have this two. Manual trans, 2014 B8.5 North American Spec. No hill hold option from factory, but the car still applies brakes when I'm on a hill. weird...
    #13
  15. benjie
    Offline

    benjie Active Member

    Joined:
    Oct 10, 2009
    Messages:
    888
    Likes Received:
    137
    [Mar 14, 2014]
    .I know how the full system works, but what does the hill hold 'lite' do?
    #14
  16. allanmb
    Offline

    allanmb Member

    Joined:
    Feb 1, 2014
    Messages:
    170
    Likes Received:
    24
    [Mar 16, 2014]
    If you pull up to a stop on a hill with the car in-gear but clutch and brake pressed. Then if you let go of the brake, the car remains stationary instead of rolling back. Not sure how it differs from the full version...
    #15
  17. benjie
    Offline

    benjie Active Member

    Joined:
    Oct 10, 2009
    Messages:
    888
    Likes Received:
    137
    [Mar 16, 2014]
    Ah, I see, thanks. I have an auto, so will see what it does about rolling back on the way to work tomorrow!
    #16

Share This Page