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How to tell if my central electrical module is a "highline"?

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by P77HLP, Mar 26, 2014.

  1. P77HLP

    P77HLP Member

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    Hi Guys,

    In the early stages of a heated seat retrofit, I'm told I need a new central electrics module,
    i would just like to make sure this is needed before I proceed

    Cheers

    Phil.
     
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  3. hades-

    hades- Yorkshire & Humber Rep.
    Regional Rep VCDS Map User

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    2 ways
    remove it and get part number
    or vcds for part number
     
  4. P77HLP

    P77HLP Member

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    Cheers bud, do you know what the highline part no is? Or where I can find it?

    P
     
  5. Adam Russell

    Adam Russell Member
    quattro Audi A4 S-line owners group TDi

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    did you ever find out what the part number is as i currently have
    8K0907063N but doesn't seem to have the pins for heated seats?
     
  6. Adam Russell

    Adam Russell Member
    quattro Audi A4 S-line owners group TDi

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    have you done this ?
     
  7. desertstorm

    desertstorm Moderator
    Staff Member Moderator VCDS Map User quattro Audi A4 Audi Avant Owner Group TDi

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    If you look at the PR codes associated with a module you can usually get an idea what it does. If you find your part number on the parts listing
    8K0907063N

    upload_2016-9-13_23-47-37.png

    http://audi.7zap.com/en/rdw/audi+a4+s4+avant+quattro/a4q/2008-636/9/907-907004/#1

    One of the PR codes associated with that module is 4A0

    Use an on line PR code decoder tool .
    http://prsearch.planetvag.com/

    PRCode: 4A0 = Without seat heater
    PRCode: 8BP = Bi-functional headlight with gas discharge lamp
    PRCode: 8EH = Bi-functional headlight with gas discharge lamp for driving on the right(US design)
    PRCode: 8X0 = Without headlight washer system
    PRCode: 8X1 = Headlight washer system

    The code for seat heating is 4A3 or 4A4

    PRCode: 4A3 = Seat heater for front seats separately controlled
    PRCode: 4A4 = Seat heater for front and rear seats separately controlled

    Depending on the combination of options you need determines which is the correct module. Nothing is simple with modern cars .
     
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  8. Adam Russell

    Adam Russell Member
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    this is really helpful, does this mean theres two variants of N or is it saying N can do both ?
     
  9. Adam Russell

    Adam Russell Member
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    if does both then looks like ill need a P
     
  10. desertstorm

    desertstorm Moderator
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    There is only one Model N version it is just used in two specifications of car. What it really means it that the N supports cars with xenon headlights and headlight washer systems but not seat heating.
    Usually this kind of thing is documented as it is common for these modules to be upgraded when retrofitting options. The P revision looks to be the one based on the options the N has.
     

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