Monster MotorsportJMB Retrofits
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  1. #1
    TreborA4's Avatar
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    Coding to turn on rear lights with front daytime running lights

    I have read about this somewhere on the forum a while ago but despite searching I can't find the thread.

    I took my car, new in January this year, A4 S-Line Avant, to my local dealer this week to get them to turn the rear lights on at the same time as the front LED DRLs. They could not code it to get this to work.

    What is the code for this, please?

    I will then go back to dealer with this information.

    I think just having front LEDs as DRLs was a mistake by Audi.

    BMWs and Volvos rightly have both front and rear lights on, IMHO.

    I would appreciate your help.

    Thanks.

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  3. #2
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    I would be interested in this as well, and i totally agree that if the front LED's are on then the back should be on to. If the sun is low and bright and i know i am driving just on Auto DRL's i delibratly turn the headlights fully on.

  4. #3
    pns2007's Avatar
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    You need to activate the Scandanavian settings for the lights, its very easy to do using a VDS lead. Look up a member in the VDS section and throw them a few beer tokens. I'd do it for you but I think your too far away. if you fancy a drive tho? PM me if interested, I'm in the Midlands

    Neil

    (A hex can lead is needed on an A4)
    Last edited by pns2007; 2nd April 2010 at 20:16.
    2013 A5 2.0 TDI (177) Black Edition

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    [s]MY2010 A4 1.8T (160) S-Line executive in brilliant Red[/s]

    [s]2008 A3 TDI S-Line Cabriolet 8P3[/s]


    A4 (B8) Door warning light and Glovebox retrofits. A1 Heated Mirrors Retrofit

  5. #4
    Trev241's Avatar
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    Would have thought it was the same as the S4, turn on side lights and you have front DRL's and rear lights.
    What do you have on the S Line when you turn sidelights on ?
    Trev

  6. #5
    pns2007's Avatar
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    The LED's act as side lights when in the 'sidelight position' on the light switch but they are not as bright as the DRL's. You can override this with VDS (and alter light intensity of the LED's) but you loose the auto dimming function when you indicate.
    2013 A5 2.0 TDI (177) Black Edition

    [s]2012 A1 1.4TFSI (185ps) Black Edition[s]

    [s]MY2010 A4 1.8T (160) S-Line executive in brilliant Red[/s]

    [s]2008 A3 TDI S-Line Cabriolet 8P3[/s]


    A4 (B8) Door warning light and Glovebox retrofits. A1 Heated Mirrors Retrofit

  7. #6
    TreborA4's Avatar
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    Trev,
    Turning on the side lights also puts the rear lights on but the front LEDs go dimmer (sidelight mode rather than DRL mode). I want to have the rear lights coming on automatically as well as the front DRLs (bright) at the same time.

    Trebor

  8. #7
    Trev241's Avatar
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    Quote Originally Posted by TreborA4 View Post
    Trev,
    Turning on the side lights also puts the rear lights on but the front LEDs go dimmer (sidelight mode rather than DRL mode). I want to have the rear lights coming on automatically as well as the front DRLs (bright) at the same time.

    Trebor
    Must admit I had not noticed the dimming down function, is it a big deal after all if the light is poor surely it's time to have the lot on.
    Trev

  9. #8
    scoTTy's Avatar
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    Quote Originally Posted by TreborA4 View Post
    Trev,
    Turning on the side lights also puts the rear lights on but the front LEDs go dimmer (sidelight mode rather than DRL mode). I want to have the rear lights coming on automatically as well as the front DRLs (bright) at the same time.

    Trebor
    I did it when I got my car. It's very quick and easy if you have VCDS.
    MY2010 B8 A4 Avant 2.0TFSI quattro S-line Executive
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  10. #9
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    I thought this was listed in VCDS:

    Tailights active as DRL's
    [09 Cent. Elect.]
    [Coding - 07] -> [Long Coding Helper] -> Byte 2: Bit 7 - (1 = active)

    LEDs remain at full brightness with parking lights
    [09 Cent. Elect.]
    [Coding - 07] -> [Long Coding Helper] -> Byte 3: Bit 2 - (1 = active)

 

 

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