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Thread: VW Golf 7R DQ500 RS3 - Haldex RS3 install

  1. #1
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    VW Golf 7R DQ500 RS3 - Haldex RS3 install

    Hello,

    Hope my message finds you well!
    I own a 2015 VW Golf 7R with a DQ500 RS3 gearbox conversion.
    Today I have installed the RS3 Haldex to match the DQ500 RS3 gearbox.

    After the install, the car appears to drive OK at first review. Will check more details later.
    But I noticed that I am currently encountering the following error codes on the AWD module, after installing it, and they won't go away.

    As always, any advice is more than welcome and I thank each and everybody for your time and help!
    They are really appreciated.

    -------------------------------------------------------------------------------
    Address 22: AWD (J492) Labels:* 0CQ-907-554.clb
    Part No SW: 0CQ 907 554 C HW: 0CQ 525 130
    Component: Haldex4Motion H52 7755
    Serial number: HA1-00019.12.15
    Coding: 0701
    Shop #: WSC 06745 128 28888
    ASAM Dataset: EV_AllWheelContrHA1VW37X 002015
    ROD: EV_AllWheelContrHA1VW37X.rod
    VCID: 45D45899C5299DAFBA1-8010

    3 Faults Found:
    17502 - Databus
    U1121 00 [009] - Missing Message
    [Bremsensteuergerät - TO -- ESP_18]
    Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 7
    Fault Frequency: 2
    Reset counter: 236
    Mileage: 143478 km
    Date: 2019.11.28
    Time: 11:28:51

    17503 - Databus
    U1121 00 [009] - Missing Message
    [Bremsensteuergerät - TO -- ESP_23]
    Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 7
    Fault Frequency: 2
    Reset counter: 236
    Mileage: 143478 km
    Date: 2019.11.28
    Time: 11:28:51

    17504 - Databus
    U1121 00 [009] - Missing Message
    [Bremsensteuergerät - TO -- ESP_29]
    Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 7
    Fault Frequency: 2
    Reset counter: 236
    Mileage: 143478 km
    Date: 2019.11.28
    Time: 11:28:51

    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104) Labels: 5Q0-907-379-IPB-V1.clb
    Part No SW: 3Q0 907 379 AB HW: 3Q0 907 379 G
    Component: ESC H42 0723
    Revision: 00000000 Serial number: 62155000001290
    Coding: 01FA6BA15420296D077E070541CA6980D62A94E0E08296F718 4250F8C288
    Shop #: WSC 47196 003 1048576
    ASAM Dataset: EV_Brake1UDSContiMK100IPB 034036
    ROD: EV_Brake1UDSContiMK100IPB_034_VW37.rod
    VCID: 7AAEFB65FC572257873-802E

    No fault code found.

  2. #2
    Verified VCDS User hadez16's Avatar
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    Before digging into ABS coding, have you tried other codings for AWD?
    0601 or 0001 ?

  3. #3
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    Quote Originally Posted by hadez16 View Post
    Before digging into ABS coding, have you tried other codings for AWD?
    0601 or 0001 ?
    No, I did not try any codings yet.
    I just installed it on the car.

    I looked at the coding previously on my car and it was 0001. With the old Golf Haldex.
    Please see below:

    -------------------------------------------------------------------------------
    Address 22: AWD (J492) Labels:* 0CQ-907-554.clb
    Part No SW: 0CQ 907 554 H HW: 0CQ 525 130
    Component: Haldex4Motion H52 7083
    Serial number: HA1-00010.01.17
    Coding: 0001
    Shop #: WSC 01357 011 00200
    ASAM Dataset: EV_AllWheelContrHA1VW37X 004013
    ROD: EV_AllWheelContrHA1VW37X_004.rod
    VCID: 4ACE6BA5EC3772D7573-801E

    No fault code found.

    Do you think this could be the culprit?

  4. #4
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    Quote Originally Posted by hadez16 View Post
    Before digging into ABS coding, have you tried other codings for AWD?
    0601 or 0001 ?
    Fast update. Tried to update the codings to either one of 0001, 0601 or 0701. All give the same three already indicated error messages.

  5. #5
    Verified VCDS User hadez16's Avatar
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    Okay.
    Honestly I have no clue....

    No other people that did the same retrofit?

  6. #6
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    Quote Originally Posted by hadez16 View Post
    Okay.
    Honestly I have no clue....

    No other people that did the same retrofit?
    I do not know. I will look around more.
    After last night checks I noticed that it works perfectly. But have these three error messages.

  7. #7
    Verified VCDS User PetrolDave's Avatar
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    Looks to me like the firmware in the RS3 AWD module is expecting extra messages?

  8. #8
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    Quote Originally Posted by PetrolDave View Post
    Looks to me like the firmware in the RS3 AWD module is expecting extra messages?
    Exactly my thoughts. And I know that the Golf 7 Haldex works with 7V and 9A current. The RS3 with 9V and 11A current. I currently have recorded 7.2 V and 8.9 A. So it still treats it like a Golf Haldex. I have performed basic settings of the Haldex Pump. Will test again.
    If it still works like this i believe i can safely ignore the errors or switch back to the old Golf Haldex controller on this RS3 Haldex. That should work also.

  9. #9
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    I didnt think there was a difference between the 2 haldex units

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