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ecu

  1. No connection to ECU via OBD2

    Electrical
    Hi all, VAG fan here. I recently bought my first T5 and wanted to run some diagnostics on it but cant connect to the ECU. Tests I've already done are: 1. tried with VCDS ( not lite and not genuine, but has worked on all my other VAG cars I've had) - not connected to ECU 2. tried with Bluetooth...
  2. new t5 - engine issues (smoke/ecu) - please advise!

    Engine & Gearbox
    Hi All I have just bought a 2009 T5 1.9 and I've found a few problems which really concern me. Main ones are as follows: Left the engine to idle for 20 or so mins whilst charging 2 phones. Turned car off. Came back a couple of hours later, did the same for another 10-15 mins. Turned car off...
  3. Any suggestions to get me moving this weekend?

    Electrical
    Updated from an earlier post: T4's been on the drive for a fortnight - turning over but refusing to fire up. – No live feed going to ECU – No 12v or 5v going to sensors. – No glow light I've subsequently : – Replaced the 109 & Glow Plug relay – Checked all fuses – Replaced the black and...
  4. ABS ECU Required

    Electrical
    I urgently need a replacement ABS/ECU for my 2007 T5 part number 7H09073792 will pay well for working part trying to avoid buying new one from VW £££
  5. strange alternator issue batt light rev counter

    Electrical
    [YOUTUBEhttps://youtu.be/ZGr3iYRF3dEYOUTUBE] Hi, can anyone help me with this, it's doing my head in and I really don't need this at the moment. See the YouTube clip. Alternator is cutting in and out, rev counter is turning on and off in time. Alternator and battery are recently new. I...
  6. no boost issues on ACV 2.5 T4

    Engine & Gearbox
    Hello, my2003 t4 102bhp is not boosting...sent it to the garage and they have said ECU has no signal to N75 and said I need a new ECU but took it home and scanned it myself and I managed to clear all faults but still no boost can anyone help with it? just done a scan of my van and it's showing...
  7. VW T4 Stalling / Starting Issue & ECU Fault

    Electrical
    Hello Everyone, I have a 1994 VW T4 Caravelle 2.0 Petrol. No Immobiliser. Digifant ECU I have not been able to drive for over a month now due to an intermittent fault. It drives perfectly for a few minutes the engine switches off as if there is no spark and then I can not get started for...
  8. Engine won't start and electrical issue, any idea's

    Electrical
    Hi, went to start the van yesterday and all I got were instrument lights flashing relays and things energise/de-energise and pumps priming, but no attempt from start motor and battery voltage draining seriously low?? Suspected low battery so charged overnight with my ctek charger, but still the...
  9. Rip off mechanics and abs codes!

    Brakes
    Hi everyone..... Hope you can help? Recently bought T5 2.5tdi auto 2007 shuttle to convert into a camper ( after timing belt changed in previous camper by registered garage went wrong and wrote off the vehicle) but that's another story! On my new van ABS light came on, speedo stopped working and...
  10. ECU needed

    Engine & Gearbox
    Hi All Been having some running issues for a while now and had the ECU reprogrammed, went fine and now running poor again. Looks like the MAP sensor is playing up and need a new ECU. The van is a 2.5l petrol with auto box, not the most common I know, I'm looking for an ECU and have drawn blanks...
  11. ACV Vac Hoses

    Engine & Gearbox
    Hello All, I have been experiencing loss of power and have been getting code 00575 - manifold absolute pressure sensor. I am in the process of replacing all vac hoses and checking that the routing/installation is correct. Two questions; Where should the ECU vac hose go to? It is currently...
  12. ECU too old for remap on 1996 2.5TDI 102bhp

    Engine & Gearbox
    Hi, I have a 1996 2.5TDI, 102hp as standard, T4. I took it to a remap 'day' at a local tuning garage but they told me their software wouldn't speak to the ECU due to ECU being so old. I've tried general 'ecu too old for remap' search but not getting any decent info. Has anyone else experienced...
  13. how to upgrade dash information on T5 (2009)

    General T5 Chat
    My 2009 T5 camper is a standard 1.9tdi t28 with the basic dashboard (no mfd, revs, speed, coolant temp and fuel gauge). After a year I am really missing some of the features on my car - fuel consumption, ave speed, distance/time travelled etc. Are the sensors for this already on the van so...
  14. Ecu and OBD Question

    Electrical
    Hi all, Well here we go again. I am in process of doing another TDI conversion on a friends van after completing mine relatively easily I thought it would be straight forward. His van is an M reg non turbo with no immobiliser, the golf donor was also a pre 95 so again no immobiliser. The engine...
  15. 2.5TDI ACV non starting - just crancking post engine out - wiring / elect help please

    Engine & Gearbox
    Afternoon folks. I've just put the engine back into my '97 Carvavelle post clutch and dmf change to resolve a leaking slave cylinder. It refuses to fire! I've research a lot of threads on here - most associate the problem with the glow plug light not coming on and a broken earth return from...
  16. T4 2.5tdi ajt ecu

    Wanted
    Hi, I'm in need of a new ECU after an accident smashed mine :eek: if anyone has one? Part number on mine is 074906021S or 0281001829 Its for a 1999 2.5TDI 88bhp AJT engine Thanks
  17. ECU upgrade for cruise control 2008 T5

    Electrical
    Hi, I'm new to this site and to converting upgrading my soon to be T5 camper. I've been reading a few posts regarding retro fitting cruise control but may need to upgrade the ecu as well. Is this a plug and play job are is there more to it. Any help would be greatly appreciated. Thanks
  18. T5 Transporter 174 Wiring diagram MAP

    Engine & Gearbox
    Hi Does anyone have an image of the wiring diagram for the 174 T5? I particularly want to see how the MAP(Inlet pressure) sensor is wired up, and if it goes directly to the ECU or elsewhere. Cheers, James
  19. T5 Transporter 174 Wiring diagram

    General T5 Technical
    Hi Does anyone have an image of the wiring diagram for the 174 T5? I particularly want to see how the MAP(Inlet pressure) sensor is wired up, and if it goes directly to the ECU or elsewhere. Cheers, James
  20. Afn ecu

    Wanted
    Hi I'm in need of an AFN ECU , socketed if possible . Please get in touch if u have one as urgently required Thanks D
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