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Thread: ACC Retrofit Advice Please for Golf MK7

  1. #21
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    Great, thanks for the link Don…

    I'm going to try the following updated abs codes when i get home:

    Byte 24 - Bit 18 (with ACC Stop and Go)
    Byte 26 - Bit 50 (with multilink suspension)
    Byte 29 - No Change (appears unrelated to ACC)

    I'm also going to replace the two rear wheel speed sensors with part number WHT003858A...

    I know its hard for you to say based on lack of information but does the above sound plausible please?
    Last edited by guile; 25-01-2024 at 08:02 PM.

  2. #22
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    "Byte 24 - Bit 18 (with ACC Stop and Go)" I think you mean Byte 24 - Bit 3 & Bit 4! Stop-and-Go functionality is sometimes called "traffic jam assist". This facility is in the newer ACC systems and it integrates other driver assistance technologies including lane keeping assist, forward collision warning, pedestrian detection, and automatic emergency braking. I very much doubt that adding the additional functionality will help in your case!!

    Byte 26 - Bit 50 (with multilink suspension) I think you mean Byte 26 - Bit 4 & Bit 6. According to the long-code string on the ABS module - this car is factory fitted with a fixed-beam rear suspension. Multi-link suspension is normally fitted to Golf GTI/R models. I assume this change is related to retrofitting the bi-directional wheel speed sensors

    "Byte 29 - No Change (appears unrelated to ACC)" No comment!

    "replace the two rear wheel speed sensors with part number WHT003858A..." Probably a good idea (I talked about this in an earlier reply)

    Don
    Please don't PM to ask questions about coding, or vehicle repairs. The better place to deal with these matters is on-line, in the forum proper. That way you get the benefit of the expertise of the wider forum! Thank you.

  3. #23
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    Thanks Don…

    ACC Stop and Go - as far as I’m aware this means the ACC is used to stop if the vehicle in front stops, then go if the vehicle in front starts moving again…

    Multilink Suspension- my car is a Gti performance pack and has this suspension type as far as I know…

    I think the only way to find out now is give it a try. I’ll report back for anyone else viewing this later and doing the same retro fit…

  4. #24
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    Quote Originally Posted by guile View Post
    ACC Stop and Go - as far as I’m aware this means the ACC is used to stop if the vehicle in front stops, then go if the vehicle in front starts moving again…
    Yes, that is correct - but for this dynamic to happen, it's not simply a matter of your car just "go-ing" after it stops!!


    Quote Originally Posted by guile View Post
    Multilink Suspension- my car is a Gti performance pack and has this suspension type as far as I know…
    hmm........."GTI performance pack" - I have no idea what this means (sounds very much like marketing speak). What I'm sure we will both agree is that it doesn't make the car a GTI! I would be exceedingly surprised if a "GTI PP" meant that the car wasn't built with standard fixed-beam suspension.
    Why not have a look!!




    In fact, there's strong evidence about this question on your 03- ABS module long-code string! Look at the current coding on Byte 26 - which describes the type of wheel speed sensors that were factory installed on this car. Notice that Byte 26 = 00 = 00000000. Then look at the Ross-Tech spreadsheet to determine what hex00 means!!
    Last edited by DV52; 27-01-2024 at 01:50 PM.
    Please don't PM to ask questions about coding, or vehicle repairs. The better place to deal with these matters is on-line, in the forum proper. That way you get the benefit of the expertise of the wider forum! Thank you.

  5. #25
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    Thanks for the feedback Don…

    As far as I know the Gti pp got a few extra killer wasps, electric front diff, bigger front brakes and front and rear lights from the golf r…

    I’ll check the suspension when I get home Thursday and swap the wheel sensors…

    I take your point regarding the original coding of byte 26, it will be interesting to see the outcome…

    from the MK100 ABS Coding excel sheet it says that if all bits on byte 26 are zero then the car has standard wheel speed sensors which i suspect is part of my problem. lets hope the new ones fix that issue...
    Last edited by guile; 28-01-2024 at 07:18 PM.

  6. #26
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    i checked my car at the weekend and does have multilink rear suspension and what looks like the incorrect wheel speed sensors that don't suit the ACC retrofit...



    unfortunately i ordered the wrong ones so they've been sent back...



    i did get the radar installed though...



    and all back together...



    i'm still struggling to find someone to remove CP though. VW couldn't do it because that wanted to recalibrate it and said i would need the new wheels speed sensors installed for that...
    Last edited by guile; 06-02-2024 at 07:59 PM.

  7. #27
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    ABS now sorted after new coding and wheel sensors swapped out...



    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104) Labels: 5Q0-907-379-IPB-V1.clb
    Part No SW: 3Q0 907 379 Q HW: 3Q0 907 379 F
    Component: ESC H42 0610
    Revision: 00000000 Serial number: 60385000000728
    Coding: 01FA93A15427296C077B060541C56980C92A94E0608296F718 4250B9C209
    Shop #: WSC 01357 011 00200
    ASAM Dataset: EV_Brake1UDSContiMK100IPB 034036
    ROD: EV_Brake1UDSContiMK100IPB_034.rod
    VCID: 489F5C03F360D5D14B-801C

    No fault code found.

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

    Just the component protection to be removed now and what a pain that is to deal with. I thought it would be pretty straight forward. I've ordered a passthru cable from flea bay and thinking about having a crack myself...

    GODIAG J2534 Diagnostic Cable For J2534 Passthru&ELM327 Diagnose J1979 Vehicles | eBay

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


    Chassis Type: AU-VW37 (5Q0)
    Scan: 01 02 03 08 09 10 13 14 15 16 17 19 32 42 44 52 55 5F A9

    VIN: WVWZZZAUZFW270452 Mileage: 178654km-111010miles

    01-Engine -- Status: OK 0000
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    10-Park/Steer Assist -- Status: OK 0000
    13-Auto Dist. Reg -- Status: Malfunction 0010
    14-Susp. Elect. -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    32-Differential Locks -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    5F-Information Electr. -- Status: Malfunction 0010
    A9-Struct. Borne Sound -- Status: OK 0000

    -------------------------------------------------------------------------------
    Address 13: Auto Dist. Reg (J42 Labels:| 5Q0-907-567.clb
    Part No SW: 5Q0 907 567 J HW: 5Q0 907 567 J
    Component: ACC3 H09 0395
    Serial number: 23061375030055 Dataset Number: 5g0114v____ 0014
    Coding: 001E1300FE030B
    Shop #: WSC 00028 028 00023
    ASAM Dataset: EV_ACCBoschMQB 001022
    ROD: EV_ACCBoschMQB_VW37.rod
    VCID: 428B4E2BD55CFF8195-8016

    1 Fault Found:
    15360768 - Component Protection
    U1101 00 [00101111] - Active
    [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
    Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Priority: 4
    Fault Frequency: 1
    Reset counter: 111
    Mileage: 178654 km
    Date: 2024.02.15
    Time: 15:25:15

    Control Module temperature: 35 °C
    Voltage terminal 15: 12.8 V
    Vehicle speed: 0.00 m/s
    Acceleration: 0.00 m/s²


    -------------------------------------------------------------------------------
    Address 5F: Information Electr.
    Cannot be reached

    End-------------------------(Elapsed Time: 04:46)--------------------------

  8. #28
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    Quote Originally Posted by guile View Post
    ABS now sorted after new coding and wheel sensors swapped out...

    -------------------------------------------------------------------------------
    Just the component protection to be removed now and what a pain that is to deal with. I thought it would be pretty straight forward. I've ordered a passthru cable from flea bay and thinking about having a crack myself...

    GODIAG J2534 Diagnostic Cable For J2534 Passthru&ELM327 Diagnose J1979 Vehicles | eBay
    -------------------------------------------------------------------------------
    @guile: well done - the project seems to be progressing well!!

    I'm not familiar with the J2434 device. At face value, it looks like another diagnostic device with EEPROM capabilities - but I've only taken a very quick glance at the web material!

    I'm very intrigued to understand how you intend to use the J2434 device to remove the Component Protection faults. Clearly J2434 does NOT provide remote access to the FAZIT database that resides in VW's central servers -so it can't use the "official" process for authorizing the new module into this car's VIN (and I assume that you don't have GeKo access)

    Do you intend to hack the CP error in the new module"? Hacking the 5F module is quite common - but I'm not aware that the hex13 module can be hacked for CP errors.

    If you are prepared to share - I would welcome an explanation of the process that you intend to use!!

    Don
    Please don't PM to ask questions about coding, or vehicle repairs. The better place to deal with these matters is on-line, in the forum proper. That way you get the benefit of the expertise of the wider forum! Thank you.

  9. #29
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    J2434 is an industry-standard for passthrough hardware "J-2534 universal requirements in 2004, requiring all manufacturers to allow vehicles sold in the United States of America and Europe to accept powertrain reprogramming through specific universal parameters."

    A valid subscription to GeKo and ODIS could parameterize and provision the radar, including CP matching.


    @DV52 The 7N0 radars have had the CP hacked now; only time before the other hex13 modules get done; we can thank Bosch for leaving the debug header enabled on the MCU in them
    MY12 Passat FSI Highline | 3.6L VR6 | Cashmere Brown | Driver Assistance Package | Dynaudio | Discover Media | TPMS Direct | Side Assist | Adaptive Cruise | 3D colour cluster | More coming soon
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  10. #30
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    @MIG: yes, I understand how a legit GeKo account and ODIS access can provide OP a way of "CP matching" his new hex13 module - but simply having J2434 (with, or without an out-of-date VCDS device) ain't going to do it!!! Hence my intrigue.

    Also, thanks for the info on the 7NO chassis radars (I didn't know this) - but I still haven't heard that anyone had managed to hack a MQB platform version radar (Why would Bosch continue to leave the debug header open on the MCU on these later modules?)

    Don
    Please don't PM to ask questions about coding, or vehicle repairs. The better place to deal with these matters is on-line, in the forum proper. That way you get the benefit of the expertise of the wider forum! Thank you.

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