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Thread: Ancient Newbie's First Post

  1. #1
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    Ancient Newbie's First Post

    Hi, Folks,

    Although I'm registered, I'm posting here as I'm very new to both VW and VCDS.

    I have a 2001 registered VW T4 88bhp AJT van that's had a few performance upgrades over the last 6 months or so - replacement injectors (Bosch .216 nozzles), a hybrid Turbo and a 2.5 inch SS exhaust.

    There are some hangover performance problems after an aborted remap - apparently my ECM is old and limited, and theremappers did not have any config info on the old style ECM......

    First attempt at using VCDS, using the USB cable, and apparently I did not have CAN avaliable, the auto-scan did not work. I thought 'fair enough, older ECM, I'll have to use the controller by controller method'.

    I've combined the results below :

    Code:
    Saturday,29,June,2019,19:30:52:15816
    VCDS Version: Release 19.6.0 (x64) Running on Windows 10 x64
    www.Ross-Tech.com
    
                    Address 01: Engine       Labels: Redir Fail!
    Control Module Part Number: 074 906 018 B
      Component and/or Version:  2,5l R5 EDC 0100SG  2519
               Software Coding: 00002
                Work Shop Code: WSC 22222  
                          VCID: 1562C90C6DBC5EE756-4B5C
    5 Faults Found:
    
    17965 - Charge Pressure Control 
                P1557 - 35-10 - Positive Deviation - Intermittent
    18062 - Please check DTC Memory of Instrument Cluster 
                P1654 - 35-00 - 
    17849 - EGR Valve (N18) 
                P1441 - 35-00 - Open Circuit or Short to Ground
    17957 - Boost Pressure Regulation Valve (N75) 
                P1549 - 35-00 - Open or Short to Ground
    18039 - Accelerator Position Sensor (G79) 
                P1631 - 35-10 - Signal too High - Intermittent
    
    Readiness: N/A
    Code:
    VCDS Version: Release 19.6.0 (x64) Running on Windows 10 x64
    www.Ross-Tech.com
    
                    Address 17: Instruments       Labels: 7D0-920-xxx-17.lbl
    Control Module Part Number: 7D0 920 901 B
      Component and/or Version: T4-KOMBIINSTR. VDO V20 
               Software Coding: 01451
                Work Shop Code: WSC 01234  
                          VCID: 2208E2D0ACF2395FA3-513C
    2 Faults Found:
    
    01312 - Powertrain Data Bus 
                37-10 - Faulty - Intermittent
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    I then cleared the errors, so that I would be able to see new data next time I took the van for a run.


    Researched some of the error codes, which seems to tally with my feelings - with hard accelerating in 4th, I get to 3K revs, and no more aceleration.....(limp mode)

    Reonnected VCDS intending to look into some of the functions a little more deeply, and this time I was able run an auto-scan....however I did not get results from some areas I would have expected - no ABS controller found, no Airbag controller found.

    Full results :

    Code:
    Sunday,30,June,2019,08:55:02:15816
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.0.6 (x64)  HEX-NET CB: 0.4505.4
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WV1ZZZ70ZYX056072   License Plate: 
    
    
    Chassis Type: 70 (7D - VW Transporter/Multivan (1996 > 2004))
    Scan: 01 02 03 08 15 17 18 19 22 25 35 37 56
     
    VIN: WV1ZZZ70ZYX056072   Mileage: 270700km-168205miles
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: Redir Fail!
       Part No: 074 906 018 B
       Component:  2,5l R5 EDC 0100SG  2519  
       Coding: 00002
       Shop #: WSC 22222  
       VCID: 1562C90C6DBC5EE756-4B5C
    
    No fault code found.
    Readiness: N/A
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 7D0-920-xxx-17.lbl
       Part No: 7D0 920 901 B
       Component: T4-KOMBIINSTR. VDO V20   
       Coding: 01451
       Shop #: WSC 01234  
       VCID: 2208E2D0ACF2395FA3-5160
    
    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: 00000
       Shop #: WSC 00000  
       VCID: 70ACD898329EDBCF65-5160
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 6X0-953-257.lbl
       Part No: 6X0 953 257 
       Component: IMMO                0002  
       Coding: 00001
       Shop #: WSC 35110  
       VCID: 7DB2F1AC75CCA6A7FE-4B1E
       WV1ZZZ70ZYX056072     VWZ1Z0X0101612
    
    1 Fault Found:
    01314 - Engine Control Module 
                49-10 - No Communications - Intermittent
    
    End----(Elapsed Time: 02:54, VBatt start/end: 12.3V/12.4V. VIgn 0.0V)------

    So, a few questions at this point:

    How can I discover what version of ECM I have.?
    Is it possible to upgrade to a newer, and more comprehensive, ECM?
    Can I still use VCDS to test components such as the EGR, the N16 and the N75 valves on my current ECM?

    Thanks, Folks............
    Last edited by Uwe; 07-01-2019 at 09:59 AM. Reason: CODE tags

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Hi and welcome.

    Please Get Verified. It seems you are in category 2) of that post.

    Quote Originally Posted by Dickymuff View Post
    How can I discover what version of ECM I have.?
    Well, the ECM claims to have software part number "074 906 018 B" and version "2519" of that software.

    Quote Originally Posted by Dickymuff View Post
    Is it possible to upgrade to a newer, and more comprehensive, ECM?
    That question would be better directed to a tuner.

    Quote Originally Posted by Dickymuff View Post
    Can I still use VCDS to test components such as the EGR, the N16 and the N75 valves on my current ECM?
    Sadly, it looks like bobody has ever mad an English-language label file for that ECM. Looking at the German one, it seems pretty standard for a TDI of that vintage. In other words, it's not very smart. It only supports sequential output tests, not selective, so there's no way for us to see exactly what's in the output test sequence.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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  4. #3
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    Hi, Uwe,

    Many thanks for your replies - any and all info is very much appreciated - I've not had cause to roll up the shirtsleeves and look under the bonnet since the 1980's, and I'm just a little out of touch with whats been happening in the motoring world.....

    I've been in touch with the people who supplied the turbo and injectors, and received this is relation to one of the errors picked up by VCDS - hope it is useful feedback?

    " 7965 - Charge Pressure Control
    P1557 - 35-10 - Positive Deviation - Intermittent. This is overboost and could be caused by the actuator on the turbo either being over adjusted or the mappers havent really accounted for the hybrids extra strong actuator."

    I'm getting in contact with a couple of remappers regarding changing my ECM, or if they can perform a decent remap on the older one....time will tell !

    For the time being, I'll see if I can run through the sequential tests, and see what happens.

    Thanks !!

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