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    Thread: 09A Tiptronic Solenoid Location & Function

    1. Member coolvdub's Avatar
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      09-30-2007 08:17 PM #1
      I was asked to provide some information to a fellow memeber on the location and function of the Solenoids in the 09A trans. So here are scans of the information I have. I know they are big but that way you can save them to your computer and print them out for future use if need be.

      Here are the torque specs for the valve body 8 Nm
      Trans Pan to trans 8 Nm
      Multifunction Switch to trans 5 Nm

      I will follow up with electrical specs on the solenoids when I get more time.

      Here is the electrical info to test your tranny

      Modified by coolvdub at 5:21 PM 9-30-2007


      Modified by coolvdub at 3:41 PM 10-7-2007

      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    2. Member wolfsbur's Avatar
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      10-01-2007 03:29 PM #2

      Cool post, thanks!


    3. 10-06-2007 01:39 PM #3
      Coolvdub: Hey men thanks for the pict's, Now let me explaing my dilema,I have EPY trip tranny and is stuck in 1er gear auto mode, I took the oil out it came out like 2 1/2 qt the oil + - clean. MY question to u is should I put the same amount of fluid?, I think I have a bad selenoid but I have no way to get acces to diagnostic VAMCOM do u happen to have the eletcrical diagram and the right omh to check them? I'm an aircraft mechanic electrical is something I can figure it out but without electrical diagram no way I can check them. also I'm having problem finding this thread here is my email to u or anyone who wants to help me out. Any help would be very appreciated.

      Best Regards to all.

      Pete
      bomer18@bellsouth.net
      Miami,FL



    4. 10-07-2007 10:52 PM #4
      I just wanted to say thanks don specially for taking the time on helping me and manny others menbers.
      Best regards
      Pete

    5. Member coolvdub's Avatar
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      10-09-2007 10:29 PM #5
      Your welcome
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    6. Member SnoozerGTI's Avatar
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      11-06-2007 12:49 AM #6
      kudos!!!
      //BAR

      2008 VW Jetta RS Wolfsburg Edition
      2008 VW R32 #4373
      2004 VW GTI 1.8T

    7. 01-09-2009 05:06 PM #7
      Thank you all for the wonderful information about this issue.
      I have 2002 jetta 1.8T with 5 speed tiptronic. I am getting error code P1778 which means Shift Solenoid 7 - Open Circuit or Short to Ground
      or B+ (N94), my question is where is N94?

      Thank you in advance for any information about this.


    8. 01-10-2009 06:27 PM #8
      thanks for info Don

    9. Member coolvdub's Avatar
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      01-13-2009 04:58 PM #9
      Double check your information, there is no N94 Solenoid that I am aware of.
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    10. 01-29-2009 03:01 PM #10
      don will i get a good readying on the solenoids if i have the battery out of the car and use the ground batrery cable for the ground on my meter and just back prode the solenoid with it still pluged in are do i need to go form the tcm plug to the solenoid,THANKS

    11. Member coolvdub's Avatar
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      01-29-2009 03:21 PM #11
      Reggie, that should work okay. The easiest thing would be to just unplug the TCM and probe at the connector. If you get a bad reading then I would unplug the harness at the tranny, where it goes in on the side and probe there, just to make sure you don't have a harness issue. If you still have a bad reading then I would pull the pan and check the suspect Solenoid directly. If you find no problems Solenoids or harness issues, you might want to check with the dealer and see if there are any TSB's for the TCM on your car. If I recall correctly the earliest Tiptronic cars had a TSB for the TCM and they were updated free of charge.
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    12. Member TheRealEddie's Avatar
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      03-28-2009 12:01 AM #12
      Don,

      First, thank you for all your posts on the subject of solenoid issues for the 09A. I got a call from my wife on her way to work that the check engine light came on and the car was shifting hard (2002 Jetta 1.8T). I checked the engine code with a standard scanner and found a P0748 code which translates to a Pressure Control Solenoid. Short story is with your info here I might avoid an auto repair bill and I thank you for it.

      Quick question, is doing the resistance check all that's required to isolate which out of the 9 solenoids might be faulty? If so, is the resistance measured accross the ground pin in the connector and the solenoid pin of interest? Seems like it would be so but I figured I'd double check. EDIT: oh I see, the bridge column tells you which pins to bridge across to measure the resistance.

      Intuitively I'd think the pressure control solenoid could be any of the pressure modulation solenoids above, but that's just a hunch.

      Also, other than getting access to the solenoids themselves. Is replacing them just a simple matter of pulling them out and popping them back in? From your pics on another thread it looks like they have rubber orings on them which makes me think they pop in (similar to old school injectors).

      heh, I have the Bentley for my mk2 GTI but not for my wifes 02 Jetta. Its thread like this that really save us.



      Modified by TheRealEddie at 10:04 PM 3-27-2009


    13. Member TheRealEddie's Avatar
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      03-28-2009 03:33 PM #13
      ok some progress. I measured the resistance at the TCM connector for each test step identified above and found:

      1) N88 - measured 17.2 ohms - spec 9 to 24 ohms (ok)
      2) N89 - measured 17.2 ohms - spec 9 to 24 ohms (ok)
      3) N90 - measured 17.4 ohms - spec 9 to 24 ohms (ok)
      4) N91 - measured 13.4 ohms - spec 9 to 24 ohms (ok)
      5) N92 - measured 17.3 ohms - spec 9 to 24 ohms (ok)
      6) N93 - measured 35.2 ohms - spec 1 to 5 ohms (not ok)
      7) N281 - measured 17.2 ohms - spec 9 to 24 ohms (ok)
      8) N282 - measured 17.4 ohms - spec 9 to 24 ohms (ok)
      9) N283 - measured 3.4 ohms - spec 1 to 5 ohms (ok)

      So it looks like N93 is the likely culprit. Its indeed one of the modulation solenoids so its consistent with the P0748 OBDII code.

      I'm contemplating whether I should try to measure these resistances closer to the tranny in order to eliminate the possibility that the harness has issues. Seems unlikely but probably worth the effort.


    14. Member coolvdub's Avatar
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      03-29-2009 09:15 AM #14
      You could pull the connector off where it enters the side of the tranny and check there to eliminate the wiring harness.
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    15. 05-30-2009 05:29 PM #15
      hey guys! My CEL is on, 2002 1.8t tip, code is p0746 which stands for pressure control solenoid, a performance or stuck off.
      Which one of the solenoids above is related to this code? And can this be tested without droping the tranny?
      thanks!

    16. 07-03-2009 01:29 PM #16
      I may be missing something somewhere, but how do i check the resistance of each solenoid. I am thinking i have a faulty n92 and just want to check them all.

    17. Member coolvdub's Avatar
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      07-03-2009 04:41 PM #17
      You need to remove the connectoe from the TCM which is located in the cowl in between the resh air cabin filter amd the engine ECM.
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    18. 07-03-2009 06:24 PM #18
      do i check across the connections then?

    19. Member coolvdub's Avatar
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      07-03-2009 08:39 PM #19
      yes, just get the pin designationsfrom the top of this thread.
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    20. 07-06-2009 05:36 PM #20
      Don - great info, thanks a lot! I have a 2003 passat wagon 1.8T 5spd/tip that's stuck in 4th (and reverse works) so N282 would seem to be the culprit. But first, is this 09A trans the one I have? I can't seem to find it anywhere, and part of the only sticker I can see on the trans is rubbed off. So if I have a different trans, where could I find the same info for mine? And can you recommend a good place to get the right solenoid? Many many thanks!

      Randy


    21. 07-07-2009 08:44 AM #21
      Ok, finally got the dealer to tell me it's an 01V transmission in the 03 passat GL wagon. Any chance you have the same solenoid diagrams for that model? (fingers crossed). That's exactly what I need. Thank you!!

      Randy


    22. 07-07-2009 06:51 PM #22
      Ok i got the harness of and am trying to check the numbers, but i am getting to readings. What am i doing wrong. Maybe testing the wrong part? here is the pic of the harness

      what am i measuring from?


    23. Member coolvdub's Avatar
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      07-07-2009 07:47 PM #23
      Are you sure you removed the TCM harness? Double check and if you have the right harness, then remove it at the tranny and double check each wire for continuity.
      Don
      Don

      CANCER SUCKS but KAISER SUCKS MORE/But so far I kicked it's ASS

    24. 07-21-2009 11:31 PM #24
      Over the past 8 months our 02 Jetta 1.8t with 5spd auto tip has had the N283 replaced twice and now the local dealer replaced N281 today and we still are having the same problem. Any idea on what may cause an extremely harsh up 1,3,4 upshift and the 2nd shift from 2nd to 3rd gear almost feels like the tranny is trying to downshift back into 1st then into 3rd which throws us forward then backwards in the seat and the downshifts are just as harsh as the upshifts. The local VW dealer now says we need a new tranny but I find it hard to believe that VW would make a throw away tranny that cost $5000 to replace and not require their dealers to have a technician that can properly diagnose and repair the problems with their trannys

    25. Member DubbOnDubb's Avatar
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      07-22-2009 02:10 PM #25
      Hey quick question I have a 04 GTI with a TIP... VAGCOM says that solenoid #4 is operating intermediate? Does anyone know which one of these above is that solenoid? And does anyone know what a transmission shop would charge to replace it I dont wont to get reemed? It hard shifts up in auto and in manual it is real bad on the downshift. I know I need a fluid change (over100,000) I am just scared to take it to someone to do it.
      Aaron-----

      2004 GTI 1.8T AWP- Revo tune, Forge DV, Forge Piping, Koni/Eibach struts/springs, Eibach front and rear sways, blah blah blah

    26. 07-23-2009 10:02 PM #26
      Local VW dealership here charges $700 for a solenoid replacement

    27. 07-30-2009 01:55 PM #27
      Maybe I am just really oblivious but how do I check the resistance of the solenoids. Do I need to check it at the solenoid or at a connection somewhere?

    28. 11-18-2009 12:08 PM #28
      My car is VW Bora 1.9 TDI 130 Tiptronic 09A gearbox.
      I have some issues when the ATF fluid reaches the normal operating temperature:
      1.-I can fell shifting from 3rd to 4th gear.
      2.-Stationary decoupling seems that is not working corectly:
      when the car stops with foot firmly pressed on the brake pedal,
      the gearbox gives some shoks like trying to pull the car at full couple.
      Is doing that 2-3 times and after that stops.
      Hitting the acceleration pedal again car starts and driving normaly except
      changing from 3rd to 4th wich is not smooth. All of this is not happening
      when the ATF fluid is cold. Until ATF reaches 50 celsius degress gearbox drives superb
      and stationary decoupling works fine.
      I've checked electrical resistance of sollenoids.. al values are in range.
      Changed the ATF fluid and level it up corectly at 35-40 celsius degrees.
      No faults on VAG com Automatic transmision module.
      I went to VW crap specialist for gearbox diagnosis and they discovered no faults as well.
      They recommended fluid level ckeck (wich i've done before going for their crap diagnosis)
      or completely replace the gearbox )
      It seems that they are not able to check a gearbox properly.
      Anyone have any ideea about those sympthoms?
      Thank you.

    29. 12-01-2009 01:23 PM #29
      I have a 2002 Ford Galaxy 1,9 AUY, with Tiptronic gearbox. The problem with transmission is almost the same. as previously K4talin described.
      There is a delay between 1st and 2nd gear and then again between 3rd and 4th gear. Every time a sudden boost occurs after the delay between gearshifting.
      Gearbox does that, until it warms up after all - but this does not happen in the relatively short distances I drive to work and back every day.
      So there were the solenoid valves N92 and N88 replaced with new ones. Still it did not help. Diagnostics did not show any malfunctions, either.

      Which solenoid should I replace next?


    30. Member CoolAirVw's Avatar
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      12-01-2009 02:12 PM #30
      delay? or increase in rpm?
      Auto trans fluid change or flush will not make a trans fail. Stop spreading the wives tale/urban myth.
      ASE Master Certified Technician with L1 Advanced Diagnostic Rating Recently passed ASE certification for Light Diesel repair.
      www.KansasCityTdi.com

    31. 12-02-2009 01:48 AM #31
      Thank You for the brief reply,
      Yes, there is increase in rpm, too, because I step on accelerator pedal; then at last - after delay - next gear applies with "thump".


    32. 01-05-2010 11:46 PM #32
      is there any way to get a pic diagram such as the one on the top for 01m, would be enormously apprecited.

    33. Member CoolAirVw's Avatar
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      01-06-2010 02:37 PM #33
      Quote, originally posted by badassteddy »
      is there any way to get a pic diagram such as the one on the top for 01m, would be enormously apprecited.

      This is off topic for this thread and would probably be better in its own thread, in order to keep this thread on subject. . Delete your quesioin here, and I'll make a new thread and I'll post the pic for you there. (I'll also delete this post later).

      Heres the thread...

      http://forums.vwvortex.com/zerothread?id=4711303



      Modified by CoolAirVw at 4:04 PM 3-1-2010

      Auto trans fluid change or flush will not make a trans fail. Stop spreading the wives tale/urban myth.
      ASE Master Certified Technician with L1 Advanced Diagnostic Rating Recently passed ASE certification for Light Diesel repair.
      www.KansasCityTdi.com

    34. Junior Member
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      02-01-2010 11:45 AM #34
      Thank you for the very informative post on this topic. I have an 02 Jetta 1.8T, 93K with an EYP trans. The vehicle was developed an issue where it will not go into 4th, 5th and sometimes 3rd, it will just rev high in the previous gear if it is not going to upshift. Codes stored in tcm are (01166-016 engine torque signal, outside tolerance - sporadic, and 00652-027,gear monitoring-implausible signal sporadic). The vehicle shifts fine in 1st and 2nd. It would be a last resort to replace the transmission and I was wondering what your thoughts are on replacing the n88,n89 and n92 valves. It would certainly be more cost effective than the alternative. Many thanks for your time, help and advice.

    35. 02-10-2010 11:28 PM #35
      HI, everyone. I have problem. The scan Tool shows the p0768 which is solenoid D but buy checking ohms only one solenoid is ban with 1 ohms solenoid G. What should I do? Thanks

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