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Facelift Direct TPMS Question

alpesh26 Oct 26, 2020

  1. alpesh26

    alpesh26 Registered User

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    I'm thinking of fitting direct TPMS as opposed to the one that uses the wheel speed sensors.

    Question is, can you rotate your wheels with the direct system fitted? Or does it know which wheel is where and they can only go back on that corner?
     
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  3. jrumball

    jrumball Registered User

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    Yes you can rotate, your wheels. All you have to do is ask the car to relearn the pressures and it will put them in the right place. It will also deal with 2 sets of tyres, I have both a winter and summer set and never had a problem when I swap them. Speak to @DJAlix he helped me code mine and source the correct module so you get both pressure and temperature. I have also had no issues with the valves I sourced from AliExpress, I have had them fitted about 2 years
    5291756B-ACBF-40D2-B88F-4AB749C35326.jpeg
     
    Mylee and alpesh26 like this.
  4. alpesh26

    alpesh26 Registered User

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    Cheers mate! Also, where did you get power from for the TPMS module? Did you use a fuse tap?
     
  5. jrumball

    jrumball Registered User

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    I bought a loom again from AliExpress, which was good quality. It took power all the way to the main fuse box. I actually bought a spare fuse box from eBay and removed the pins and added the correct pin and fuses to my box so it was like factory.

    The module is supposed to be located behind the rear bumper, with a bracket similar to the keyless entry receiver, but I was lazy because I don’t want to remove the bumper and mine lives in the rear right boot cubby where the electrical module Center is.

    Search for my name and TPMS and there is a bunch of info. I posted this link as reference at one point too

    www.audizine.com/forum/showthread.php/824924-Direct-TPMS-Retrofit-Guide
     
    MarttiMat and alpesh26 like this.
  6. MarttiMat

    MarttiMat Registered User

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    Like jrumball, I was able to order the HW kit from Aliexpress and install it on my 2017 S3 this weekend. My only issue is my virtual cockpit is throwing a hard code for the module being incorrectly coded. Does everyone else have this code or is there another coding change I am missing with VC? To summarize, here are my coding changes in 17:

    Byte 3 - Bit 7 Active
    Byte 4 - Bit 0 Inactive.
    Byte 11 - Bit 2 Active.

    Thanks for the help!
     
  7. 1Rockape

    1Rockape Registered User

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    Where is the fault code ? module 17 or tpms 65 if I remember?

    Sent from my SM-G973F using Tapatalk
     
  8. MarttiMat

    MarttiMat Registered User

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    Fault is in 17 - cluster. No other faults present, TPMS system operates without issue.
     
  9. 1Rockape

    1Rockape Registered User

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    What is the fault scan ? I have done this to my 17 tt with the 3 changes you made only without problem. Hopefully djalix may be along shortly. He'll know

    Sent from my SM-G973F using Tapatalk
     
  10. MarttiMat

    MarttiMat Registered User

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    Yeah, that's what I thought was odd. I wonder if there is another bit I am missing.

    Fault data:

    Address 17: Instruments (J285) Labels:| 5G0-920-XXX-17.clb-SRI2
    Part No SW: 8V0 920 890 HW: 8V0 920 890
    Component: FBenUSA H14 0047
    Coding: 08CD18D37E88CF050281E8041800000000000000
    Shop #: WSC 06385 790 00016
    ASAM Dataset: EV_DashBoardFPKAU37X 001023
    ROD: EV_DashBoardFPKAU37X.rod
    VCID: 7AB815AAFD3D1B544C-802E

    1 Fault Found:
    13636608 - Control Module Incorrectly Coded
    U1014 00 [009] - -
    [ECU incorrectly coded]
    Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 5
    Fault Frequency: 4
    Reset counter: 200
     
  11. 1Rockape

    1Rockape Registered User

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    Have you tried entering that module individually and clearing the fault instead of from the full scan? Did you check for faults prior to the retrofit ?

    Sent from my SM-G973F using Tapatalk
     
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  13. MarttiMat

    MarttiMat Registered User

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    Yes, attempted manual fault clearing after the auto scan would not delete it. Fault just comes back (no lights or warning messages though). And yes, can verify fault was not present prior to doing the retrofit:

    Address 17: Instruments (J285) Labels:| 5G0-920-XXX-17.clb-SRI2
    Part No SW: 8V0 920 890 HW: 8V0 920 890
    Component: FBenUSA H14 0047
    Coding: 08CD18537F88CF050281E8001800000000000000
    Shop #: WSC 06385 790 00016
    ASAM Dataset: EV_DashBoardFPKAU37X 001023
    ROD: EV_DashBoardFPKAU37X.rod
    VCID: 7AB815AAFD3D1B544C-802E

    No fault code found.
     
  14. MarttiMat

    MarttiMat Registered User

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    @DJAlix Have you come across this code in 17 when completing direct TPMS retrofits for facelift VC cars? I am assuming there is a bit I missed or wondering if another module (03) is communicating other configurations to 17.

    13636608 - Control Module Incorrectly Coded
    U1014 00 [009] - -
    [ECU incorrectly coded]

    Old coding:
    08CD18537F88CF050281E8001800000000000000
    New:
    08CD18D37E88CF050281E8041800000000000000
     
  15. DJAlix

    DJAlix VAG Car Coding™ Limited Site Sponsor Gold Supporter VCDS Map User VAG Can Professional ODIS (Offboard Diagnostic System)

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    Better to list what coding changes you have made than post the long coding
     
  16. MarttiMat

    MarttiMat Registered User

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    Thanks for the quick support! coding changes made below:

    changes in 03 (8v0 module variant):
    Byte 27 - D4 to F4 (bit 4, 5 and 6 on for direct TPMS)
    Byte 28 - 82 to 02 (bit 7 off)

    changes in 17:
    Byte 3 - Bit 7 Active
    Byte 4 - Bit 0 Inactive.
    Byte 11 - Bit 2 Active.
     
  17. DJAlix

    DJAlix VAG Car Coding™ Limited Site Sponsor Gold Supporter VCDS Map User VAG Can Professional ODIS (Offboard Diagnostic System)

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    Your Coding changes are correct. Not seen this myself when doing this retrofit, have seen it when doing others and in other control modules. Sometimes "errors" or "advisory" messages like this are unavoidable. You will need to complete further investigation in order to see if it can be cleared but welcome to my world, a world which is not always error free and you need to remember that you are trying to add something to the vehicle that its not supposed to be equipped with.
     
  18. MarttiMat

    MarttiMat Registered User

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    Thanks Alix and I had expected a fault to appear somewhere with all these adjustments. Luckily, this one is passive and only noticed when scanning the car. Much credit to you in resolving these!

    That being said, have you seen this fault show up in modules related to other module coding? For example, would 17 store this fault if 03 is coded differently and they conflict each other's configurations? Thus 17 saying it is incorrectly coded?

    The instructions had me coding 03 Byte 27 - bits 4,5,6 to all un-checked for no TPMS installed. I found a Ross Tech thread for the 8V0 variant ABS modules and it confirmed that Byte 27 can be coded as "direct TPMS installed" by having bits 4,5 and 6 all checked. That is what I did. I wonder if I try coding ABS to no TPMS that it may eliminate the coding fault in 17?
     
  19. DJAlix

    DJAlix VAG Car Coding™ Limited Site Sponsor Gold Supporter VCDS Map User VAG Can Professional ODIS (Offboard Diagnostic System)

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    Yes, can happen but its normally worded differently in the message to reflect that one module is not seeing something it expects in another.

    Coding for a FL car 03 - ABS should be:

    Byte 27 - bit 4, 5 and 6 off for direct TPMS
    Byte 28 -bit 7 off

    I misread your byte 27 from your previous post where you had the bits on. This is the way cars are configured from factory with TPMS.
     
  20. MarttiMat

    MarttiMat Registered User

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    Got it. Thanks Alix as always for your insight and help. I will try changing the 03 coding and see if that resolves my 17 troubles. Will update if I find a solution
     
  21. MarttiMat

    MarttiMat Registered User

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    Changed the bits in Byte 27 to 4,5,6 off (unchecked). Stored coding. Fault now erases from 17 and does not come back. Thank you Alix for the support. I will edit my instructions so others do not fall into the same hole. Cheers.
     

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