Seat Leon 1M with BAM Engine Cruise control retrofit problem.

   #1  

PARFITTMOBILE

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We have recently fitted a cruise control to a 2005 Seat Leon Cupra R 1M with a BAM Engine code.

I am having trouble getting it to work.

Please see attached autoscan and you will see there is a fault code logged in the engine control module concerning this.

I am confident that it has been wired up correctly and in measuring block 066 the bits all change when operating the cruise switch and the clutch and brake switches.

Code:
Saturday,28,September,2019,17:17:04:20916
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.1.0 (x64)
Data version: 20190529 DS308.0
www.Ross-Tech.com




Chassis Type: 1M (1M - Seat Leon (2000 > 2005))
Scan: 01 02 03 08 15 17 19 22 35 36 37 46 56

VIN: VSSZZZ1MZ4R101195   Mileage: 48970km-30428miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06A-906-032-BAM.lbl
    Part No: 1ML 906 032 A
    Component: 1.8l R4/5VT     G   0001
    Coding: 10510
    Shop #: WSC 00000
    VCID: 3F8AFD7E3D2C08B7A0-517A
    VSSZZZ1MZ4R101195     SEZ7Z0D2450069

1 Fault Found:
17977 - Cruise Control Switch (E45)
             P1569 - 35-10 - Implausible Signal - Intermittent
Readiness: 0010 0001

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 8N0-907-379-MK60-F.lbl
    Part No: 8N0 907 379 G
    Component: ESP FRONT MK60      0101
    Coding: 0019469
    Shop #: WSC 00001 001 00001
    VCID: 4088FE8210D2774FD9-515C

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1M0-820-043.lbl
    Part No: 1M0 820 043 E
    Component: 1M-CLIMATRONIC    X0702
    Coding: 00041
    Shop #: WSC 06402
    VCID: 24405212B48A4B6FDD-25B4

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
    Part No: 1C0 909 605 A
    Component: 39 AIRBAG VW51 0A   0008
    Coding: 13113
    Shop #: WSC 06401
    VCID: 224C540AAE9E455FAF-513E

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1M0-920-xx2-17.lbl
    Part No: 1M0 920 922 F
    Component: KOMBI+WEGFAHRSP VDO V05
    Coding: 05424
    Shop #: WSC 00000
    VCID: 2C50BA32DC5A832F15-513E
    VSSZZZ1MZ4R101195     SEZ7Z0D2450069

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
    Part No: 6N0 909 901
    Component: Gateway K<->CAN    0001
    Coding: 00006
    Shop #: WSC 06402
    VCID: 70E86E4230F2A7CF69-513E

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation        Labels: None
    Part No: 1M0 919 887 A
    Component: Navigation     BNO 0204
    Coding: 00002
    Shop #: WSC 06402
    VCID: 397E9366230826879E-4B1E

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 1C0-959-799.lbl
    Part No: 1C0 959 799 F
    Component: A7 Komfortgerát HLO 0003
    Coding: 00258
    Shop #: WSC 06402
    VCID: 3A7C8C6A260E2D9F97-4B38

    Subsystem 1 - Part No: 1C0959802B
    Component: A7 Tõrsteuer.FS KLO 0202

    Subsystem 2 - Part No: 1C0959801C
    Component: A7 Tõrsteuer.BF KLO 0202

    Subsystem 3 - Part No: 1C0959811A
    Component: A7 Tõrsteuer.HL KLO 0202

    Subsystem 4 - Part No: 1C0959812A
    Component: A7 Tõrsteuer.HR KLO 0202

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 3B0-035-186.lbl
    Part No: 3B0 035 186 D
    Component: Radio          BNO 0204
    Coding: 00403
    Shop #: WSC 06402
    VCID: 20485E02A092574FB9-4B04

No fault code found.

End-------------------------(Elapsed Time: 02:43)--------------------------

I have entered 11463 in "login" (although nothing seems to happen, I think it is activating/deactivating as the specified vehicle speed appears and disappears in block 066)

I have also refreshed the gateway installation list.

Does anyone have any ideas please?
 
   #2  

Zenerdiode

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I have entered 11463 in "login" (although nothing seems to happen...)
In 01: Engine, in the Component field, the addition of the 'G' character means the module has accepted the login and activated Cruise Control.

The 'Implausible' fault is flagged as intermittent. Have you tried clearing it to see if it recurs? The ECM reporting the switch position as implausible means it can't determine what position it is from the given inputs. This may be because:

1) It is the incorrect switch for the application
2) It is wired incorrectly
3) The wiring/terminations are not sound
4) The ECM is faulty
5) Even though the ECM accepts the login; and flags the 'G', it still may not support Cruise Control

I know the 1M did not ever have factory CC - but I don't know if people have successfully retrofitted.
 
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PARFITTMOBILE

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I know the 1M did not ever have factory CC - but I don't know if people have successfully retrofitted.
I must admit, the installation instructions do not list the BAM engine but researching online threw up that people had done it successfully by following the AUQ pin data and wiring. So we went for it. Now beginning to wish we hadn't! lol

I have checked the wiring over a few times and it is correct as per the AUQ engine instructions. As I say the bits change when you operate the cruise switches and the clutch and brake pedals.

I have a contact who could potentially sort me out another ECM to try but I know this one has been remapped, so the customer is keen to keep it.
 
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golfi_vend

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Can't be that hard....I'm intrested to find a solution here, but I'm away on vacation in Germany and most likely not near a computet for anothet week.

If You haven't found until then, I will check.
 
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kantusjack

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I must admit, the installation instructions do not list the BAM engine but researching online threw up that people had done it successfully by following the AUQ pin data and wiring. So we went for it. Now beginning to wish we hadn't! lol

I have checked the wiring over a few times and it is correct as per the AUQ engine instructions. As I say the bits change when you operate the cruise switches and the clutch and brake pedals.

I have a contact who could potentially sort me out another ECM to try but I know this one has been remapped, so the customer is keen to keep it.
I had the same case sometime ago ... but without the fault ...

The problem was the ECU had been remapped and the cruise control disabled ... even the letter G apperared in the Autoscan.

Once the ECU recovered its original mapping, the cruise control was able to be activated without problems ...
 
   #6  

Zenerdiode

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Yes, I was going to add that although the BAM was used in the Audi TT; it is with a different ECU that may have a different binary image in it. Of course the Bosch enclosure looks as identical as any other ME7.5 ECU. You also can’t flash the binary for a TT in there, because all 225 TTs were quattro and therefore the ECU looks for Module 22: Haldex.

As suggested above, try a standard base image first.
 
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