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    Thread: Genuine R32 brake mod to my mkv GTI

    1. Junior Member daigo's Avatar
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      02-17-2008 07:38 AM #1
      I need some advice.

      I just had my GTI upgraded to R32 calipers and discs. It works really fine, but I was wondering if it requires VAG-COM re-coding for ABS or ESP...

      GTI / R32
      Brake disk 312mm / 345mm
      Brake piston 54mm / 57mm


    2. Member Theresias's Avatar
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      02-17-2008 09:13 AM #2
      IMHO the GTI comes with the 17" brakes already, so in that case no change necessary.

    3. 02-18-2008 12:18 AM #3
      Quote, originally posted by Theresias »
      IMHO the GTI comes with the 17" brakes already, so in that case no change necessary.

      MkV GTI front brake is called "FN3(16)", which disk is 12.3inch(t=25mm), it fits 16" wheel minimum.

      MkV R32 is called "FNR-G(17)", 13.6inch(t=30mm), and it 17" wheel minimum.

      there is a difference.


    4. Forum Sponsor Uwe's Avatar
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      02-18-2008 06:39 PM #4
      Post details from your ABS control module. Part Number, Component, Coding, etc. The easiest way is to Select -> 03-ABS Brakes -> Fault Codes -> Copy Codes. Even if there are no faults, this will stuff all the relevant data into the Windows Clipboard for you, and from there you can past it here (or into an intermediate text file if the PC you're scanning with doesn't have internet access).

      -Uwe-

      VCDS® -- Satisfaction guaranteed or double your fault codes back!
      I reserve the right to be a prick if people make unreasonable demands.

    5. Junior Member daigo's Avatar
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      02-19-2008 05:39 AM #5
      Hi Uwe, thx for the response.

      My GTI is 2006 model, AXX engine with TPMS.

      ABS ECM: 1K0 614 517 R "ESP FRONT MK60-AT 0103"
      Software coding: 0037506

      Suppose my codes are the sum of these...

      +0000000 Model "VW GOLF(1K)"
      +0000002 Front Brake "FNIII/16"
      +0000640 Suspention "Sport suspension"
      +0004096 Engine <= is "2.0TFSI" coding is OK for "4096"?
      +0016384 w/o TPM
      +0016384 w/o TPM
      ----------------------------
      +0037506 <= i doubt my formula adding 16384 twice, but since my coding is 37506, these could make sense.


      I changed my Brake code +0000008, so the sum could be "0037512", but ABS module throw a fault code.

      I am still at my desk working hours, so I post the fault code when I got home...



      Modified by daigo at 2:41 AM 2-19-2008


    6. Forum Sponsor Uwe's Avatar
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      02-19-2008 09:09 AM #6
      No, it would be:

      +0000000 Model "VW GOLF(1K)"
      +0000002 Front Brake "FNIII/16"
      +0000640 Suspention "Sport suspension"
      +0004096 Engine <= is "2.0TFSI" coding is OK for "4096"?
      +0032768 [Unknown]

      If it does not accept -2 +8 for the larger brakes, but everything is working as it should, then I would leave it alone. It's possible the firmware in your ABS module simply does not have a provision to support the larger brakes -- which are only available on an AWD car, which may use a different module or at least different firmware.

      -Uwe-




      Modified by Uwe at 9:11 AM 2-19-2008

      VCDS® -- Satisfaction guaranteed or double your fault codes back!
      I reserve the right to be a prick if people make unreasonable demands.

    7. Junior Member daigo's Avatar
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      02-19-2008 08:31 PM #7
      Quote, originally posted by Uwe »
      No, it would be:

      +0000000 Model "VW GOLF(1K)"
      +0000002 Front Brake "FNIII/16"
      +0000640 Suspention "Sport suspension"
      +0004096 Engine <= is "2.0TFSI" coding is OK for "4096"?
      +0032768 [Unknown]

      Modified by Uwe at 9:11 AM 2-19-2008

      Hi Uwe, here's some try & error feedback what I did today's morning.


      First, I recoded "0037512" substract -0000002, added +0000008 from stock coding "0037506", and found 1 failure. The result as follows.
      ------------------------------------------------
      VAG-COM Version: Release 704.1

      Address 03: ABS Brakes
      Control Module Part Number: 1K0 614 517 R
      Component and/or Version: ESP FRONT MK60-AT 0103
      Software Coding: 0037512
      Work Shop Code: WSC 00046

      1 Fault Found:
      01044 - Control Module Incorrectly Coded
      003 - Mechanical Failure
      -----------------------------------------------

      Second, I recoded "0021122" substracting "0016384", and found the result with "BEEP" sound...
      ---------------------------------------------------------
      Address 03: ABS Brakes
      Control Module Part Number: 1K0 614 517 R
      Component and/or Version: ESP FRONT MK60-AT 0103
      Software Coding: 0021122
      Work Shop Code: WSC 00046
      1 Fault Found:

      02543 - Vacuum Sensor for Brake Booster (G483)
      012 - Electrical Fault in Circuit
      -------------------------------------------------


      3rd, then I tried "0053890", by adding +0016384 to stock code "0037506", suppose its without TPM. It worked with no fault.


      4th, so I entered "0053896", a coding with large front brake, but failed... had same result as 1st one.
      -------------------------------------------------
      Address 03: ABS Brakes
      Control Module Part Number: 1K0 614 517 R
      Component and/or Version: ESP FRONT MK60-AT 0103
      Software Coding: 0053896
      Work Shop Code: WSC 00046
      1 Fault Found:

      01044 - Control Module Incorrectly Coded
      003 - Mechanical Failure

      -----------------------------------------------------------


      As you mentioned above, its probably "firmware in your ABS module simply does not have a provision to support the larger brakes"


      Btw, what function code does "+0032768" means?


    8. Forum Sponsor Uwe's Avatar
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      02-19-2008 09:35 PM #8
      Quote, originally posted by daigo »
      Btw, what function code does "+0032768" means?

      Not sure yet -- we are trying to find a reference for that.

      But if you're feeling adventurous, try 0004738 (37506 - 32768) and let us know the result.

      -Uwe-

      VCDS® -- Satisfaction guaranteed or double your fault codes back!
      I reserve the right to be a prick if people make unreasonable demands.

    9. Junior Member daigo's Avatar
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      02-19-2008 11:05 PM #9
      Quote, originally posted by Uwe »

      Not sure yet -- we are trying to find a reference for that.

      But if you're feeling adventurous, try 0004738 (37506 - 32768) and let us know the result.

      -Uwe-

      That's what i'm trying to do next

      Let you know later...

      Oh, one thing,

      I also had fault code in DSG column.
      According to the "mileage" log, assume the code I entered was "0037512" caused the fault. At that time I drove the car and stepped on B pedal confirmed ABS was not working. With this code, Front right tire locked so easily at low speed.

      Does anybody know why DSG module picks ABS fault code...?
      -------------------------------------------------------
      VAG-COM Version: Release 704.1

      Address 02: Auto Trans
      Control Module Part Number: 02E 300 042 Q
      Component and/or Version: GSG DSG 070 0925
      Software Coding: 0000020
      Work Shop Code: WSC 44551
      1 Fault Found:

      18261 - Powertrain Data Bus: Implausible Message from ABS Controller
      P1853 - 000 - - - Intermittent
      Freeze Frame:
      Fault Status: 00100000
      Fault Priority: 0
      Reset counter: 22
      Mileage: 27013 km
      Time Indication: 0
      -------------------------------------------------------------------


    10. Member Theresias's Avatar
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      02-20-2008 01:11 AM #10
      Finally found some time to go through your coding, took some time to understand VW's new coding table...

      I marked the brake related bits of the coding...

      0037506 = 1001001010000010

      ...so all you need to change are these bits.

      0001 = 1ZF/1ZM/1ZC (15")
      0010 = PR-1LJ/1LL/1ZE/1ZD/1ZP (15" & 16")
      1000 = PR-1LK/1LM (17")

      Which means your new coding should be...

      0037512 = 1001001010001000

      ...but none of us really knows if your other control modules like it or why they would dislike it. Personally I'd stick with the stock coding unless this is really figured out...


    11. Junior Member daigo's Avatar
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      02-22-2008 06:03 PM #11
      Uwe, I coded "0004738", I had a same fault code as "0021122".

      ---------------------------------------------------------
      Address 03: ABS Brakes
      Control Module Part Number: 1K0 614 517 R
      Component and/or Version: ESP FRONT MK60-AT 0103
      Software Coding: 0004738
      Work Shop Code: WSC 00046
      1 Fault Found:

      02543 - Vacuum Sensor for Brake Booster (G483)
      012 - Electrical Fault in Circuit
      -------------------------------------------------



    12. Junior Member daigo's Avatar
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      02-22-2008 06:09 PM #12
      Quote, originally posted by Theresias »
      Finally found some time to go through your coding, took some time to understand VW's new coding table...

      I marked the brake related bits of the coding...

      0037506 = 1001001010000010

      ...so all you need to change are these bits.

      0001 = 1ZF/1ZM/1ZC (15")
      0010 = PR-1LJ/1LL/1ZE/1ZD/1ZP (15" & 16")
      1000 = PR-1LK/1LM (17")

      Which means your new coding should be...

      0037512 = 1001001010001000

      ...but none of us really knows if your other control modules like it or why they would dislike it. Personally I'd stick with the stock coding unless this is really figured out...


      Thx for your writeup. "0037512" should be my proper coding for R32 brake, but seems other module or hardware don't accept the new value... I wonder what that is. Any idea for that?

      Or, do I have to install R32 rear brakes too?


    13. Member Theresias's Avatar
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      02-22-2008 07:53 PM #13
      See, we are trying to help you here but simply trial and error is not gonna bring you any further. So I suggest you stob playing games and try some real digging. Did you read the related information in our WIKI yet?

      Ross-Tech WIKI: 01044 - Control Module Incorrectly Coded: Mechanical Failure

      I expect there to be a wiring difference, most likely a bridge or ground connection which is either missing or not necessary. So I did some research and it is exactly as described in the WIKI there is a wiring difference which is responsible for your problem.

      T47/14 <> T47/38 = PR-1ZF/1ZM/1ZC (15")
      T47/12 <> T47/38 = PR-1LJ/1LL/1ZE/1ZD/1ZP (15" & 16")
      T47/14 <> T47/39 = PR-1LK/1LM (17")

      So go and fix your wiring, then check for fault codes again.


      Modified by Theresias at 1:55 AM 2-23-2008


    14. Junior Member daigo's Avatar
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      02-22-2008 08:22 PM #14
      Quote, originally posted by Theresias »
      See, we are trying to help you here but simply trial and error is not gonna bring you any further. So I suggest you stob playing games and try some real digging. Did you read the related information in our WIKI yet?

      Ross-Tech WIKI: 01044 - Control Module Incorrectly Coded: Mechanical Failure

      I expect there to be a wiring difference, most likely a bridge or ground connection which is either missing or not necessary. So I did some research and it is exactly as described in the WIKI there is a wiring difference which is responsible for your problem.

      T47/14 <> T47/38 = PR-1ZF/1ZM/1ZC (15")
      T47/12 <> T47/38 = PR-1LJ/1LL/1ZE/1ZD/1ZP (15" & 16")
      T47/14 <> T47/39 = PR-1LK/1LM (17")

      So go and fix your wiring, then check for fault codes again.


      Modified by Theresias at 1:55 AM 2-23-2008

      Gee, that's great info!
      Yes I did read the WIKI "01044", but had no idea what I could do next.
      I have bentley manual, will search T47 and to see if I could jump the pin.

      Question... what pin do I need to re-connect ??

      T47/14 <> T47/39 ?

      T47/14 <> T47/38 ?

      or

      T47/12 <> T47/39 ?


      Modified by daigo at 5:37 PM 2-22-2008


    15. Member Theresias's Avatar
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      02-22-2008 09:56 PM #15
      Come on, are you sure you can't answer that question based on the information given to you?

      Ask yourself what brakes you had originally and which do you have now.


    16. Junior Member daigo's Avatar
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      02-24-2008 10:57 PM #16
      I'm not familiar with electronics, bentley wiring maps getting me confused...

      Quote, originally posted by Theresias »
      Ask yourself what brakes you had originally and which do you have now.

      Umm, connecting my 12nd and 39th pin ?

      Well mine is RIGHT HANDLE vehicle, and my bentley is based on US/CAN spec. ABS module located behind the battery. Probably I have some time next sunday, so I need to confirm these pin info are the same... pls wait till then.


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