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    Thread: P0722 Output Speed Sensor 5pd Tiptronic 2003 Jetta 1.8T

    1. Member midorialexandros's Avatar
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      07-05-2012 03:02 PM #1
      ***I have resolved this issue***

      I hope this thread might help others struggling with discovering the actual problem their vehicle is having. My issues started off with bad shifting, the speedo going crazy, the speedo also froze between shifts, I could go on and on about all the things it was doing. I was getting P0722 error codes, basically they car didn't know WHEN to shift so it was very difficult to drive at times. After a while turning the car off and letting it sit for 30 seconds or so and turning it back on really helped lessen the issues we saw. ( power cycled the computers ) Because of the P0722 error, I had the speed sensors replaced by a shop that said they thought that was the problem. WRONG. It did not fix the issue. I paid 1500 to replace the speed sensors as there are no external sensors on this car. The transmission has to be dropped out of the car to get to them. After spending about 200 at another shop, one that specialized in diagnostics ( they tried to help me out ) they determined the issue had to be the TCM.

      I spent two weeks looking for the right replacement TCM. Found one out of a Jetta that was being parted out because the transmission failed and the owner didn't want to replace it. We replaced the TCM and I am happy to report this has resolved all the problems I was having.

      I did not check the pins on the wires before I got the TCM. However - Replacing the TCM fixed my issues. We drove it after the replacement and immediately noticed when I put the car in reverse that the speedo began showing numbers ( before completely unresponsive in reverse ). Got on the main street and hit the accelerator - all gears perfect shifting and immediately went into 5th gear. Prior to the replacement we had no 5th gear and the shifting patterns were horrible intermittently. Drove it 10 miles and then went back and had the throttle position set, kick down set, and trans put in learning mode. All is well. My buddy noted that there were now codes stored in the ECU indicating that the TCM has been signaling intermittent faults. I am not sure when this happened because the last time I had it read, about a month or so ago, there were no TCM codes.

      Car is absolutely perfect. Night and day from the moment we replaced the TCM this morning. The speedo also no longer freezes between shifts, where it did before. All's well that ends well I suppose. Better I only paid 150 than 780 the stealership wanted.

      ***GOOD LUCK***


      I already checked the DIYs and I don't see anything for this.

      I also checked this previous forum post:

      http://forums.vwvortex.com/showthrea...t+speed+sensor

      I am having the EXACT same issues. It is getting progressively worse.

      What I noticed: When I allow the vehicle to warm all the way up 190 temp. I NEVER have any issues with it. I only got the PO722 code once.

      Who I called: I spoke to a repair shop I trust and I do trust my dealer to an extent... Both said to check the 'wiring harness on the outside of the transmission' Does anyone know where this is? I had a coolant leak that might have corroded some of the connectors and they might just need to be cleaned, per the repair shop and the dealer.

      ALSO: If you paid for this repair ( sensor replacement IN transmission ) what did you pay for it and who did you take it to?
      Last edited by midorialexandros; 09-29-2012 at 07:38 PM.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    2. Member midorialexandros's Avatar
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      07-05-2012 09:23 PM #2
      1.8t tiptronic transmission. The odd thing about it is that it never does the slamming into gears if I let the vehicle warm up to operating temperature. Today I drove the car from dead cold and the trans stayed in limp mode. It would not go into 5th gear. Went into the bank came back out 10 minutes later, got in the car an it had zero issues again. Went into 5th gear fine. The only time I have issues is if I jump in the car and just take off without letting it warm up. I only got the p0722 error once and it's not given me any more fault codes. Scanned it today after it was in limp mode and it came back clean. I got a wiring diagram from the dealer ( after they told me to replace the trans because they won't open the transmission ). I'm in Phoenix az so tonight after the sun goes down and the car cools enough I'm going to check the connectors to the wiring harness outside of the car. From what I can tell the wiring connectors to the harness are right under the coolant junction hose which I had dump boiling coolant on 4-5 times when I repaired the seal in the junction myself. It's possible it's just a loose or gummed up connector... I'll check it tonight. Otherwise I have an appointment with a transmission shop that will check the wiring and connectors for free... Guess well see what they come up with if I am empty handed..
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    3. Member CoolAirVw's Avatar
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      07-06-2012 01:56 PM #3
      The "plug in" where the wiring goes into the trans is a little difficult to unplug and inspect. If you look at the trans directly behind the left fan (behind means towards the rear of the car and left means left while sitting in the drivers seat) if you know what to look for you'll see it there. Unplugging it is difficult.

      If the car were here I would graph the output of the sensor with vag-com, do a good visual inspection on the wiring, put a oscilliscope on the wires to the sensor and drive it to compare what you see on the scope when it acts up compared to when it doesn't act up. Pont being, since replacing the sensor is difficult and expensive you want to do everything possible to avoid doing this if possible. Meaning if the problem is in the wiring you dont want to pull the trans, take it apart and replace the sensor.

      Alot of shops will tell you to replace the trans for this. I've done several and if you end up with no one who will help you, then you are welcome to come to Kansas City and I will.
      Last edited by CoolAirVw; 07-17-2012 at 01:34 PM.
      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.
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    4. Member midorialexandros's Avatar
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      07-14-2012 11:53 PM #4
      Quote Originally Posted by CoolAirVw View Post
      The "plug in" where the wiring goes into the trans is a little difficult to unplug and inspect. If you look at the trans directly behind the left fan (behind means towards the rear of the car and left means left while sitting in the drivers seat) if you know what to look for you'll see it there. Unplugging it is difficult.

      If the car were here I would graph the output of the sensor with vag-com, do a good visual inspection on the wiring, put a oscilliscope on the wires to the sensor and drive it to compare what you see on the scop when it acts up compared to when it doesn't act up. Pont being, since replacing the sensor is difficult and expensive you want to do everything possible to avoid doing this if possible. Meaning if the problem is in the wiring you dont want to pull the trans, take it apart and replace the sensor.

      Alot of shops will tell you to replace the trans for this. I've done several and if you end up with no one who will help you, then you are welcome to come to Kansas City and I will.
      Lol. This might happen at this point.

      The issues have evolved. The speedo now intermittently drops to zero and then bounces back up. It has not completely stopped working. Do you happen to know where this is located? Dealer is telling me its outside, however I am not sure where it is and neither are they. :|

      Without pulling the airbox and the battery/battery plate out I see three different connectors on the front side of the trans facing the radiator fans. I am not seeing anything on the DIYs about where this is located. I have the 09A trans as well.

      I found a friend of a friend who is going to dyno and vagcom the car for free to tell me what it is/isn't so I am not spending a **** load of money on NOTHING. Though, he is pretty sure its the G68 sensor - and if this is the case he'll pull the trans replace the internal wiring harness and all three sensors G68, G182, and temp sensor for 1400.00 ( not bad considering... ).

      Visually I see nothing wrong with the external wiring harness. I'm gonna walk outside and take a picture under the hood to show you what I am seeing, maybe you can tell me what they are.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    5. Member midorialexandros's Avatar
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      07-15-2012 12:10 AM #5






      Here are some images. Its dark I know. But any ideas?
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    6. Member midorialexandros's Avatar
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      07-15-2012 03:45 PM #6
      sunday bump
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    7. Member CoolAirVw's Avatar
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      07-17-2012 01:35 PM #7
      I cant tell if those are the right ones or not. (poor lighting in pic)

      What you need to look for is wires that pass right through the side of the transmission case.
      Last edited by CoolAirVw; 07-17-2012 at 01:38 PM.
      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

    8. Member midorialexandros's Avatar
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      07-20-2012 01:01 AM #8
      Quote Originally Posted by CoolAirVw View Post
      I cant tell if those are the right ones or not. (poor lighting in pic)

      What you need to look for is wires that pass right through the side of the transmission case.
      Lemme try and get some pics during the day...

      I'm gonna try a trans lube. Where is filler port on this Bish?
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    9. Member CoolAirVw's Avatar
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      07-21-2012 07:34 AM #9
      the electrical connector after verifying on a car here is to the left of the area the light is focused in on in the 3rd pic. Its not visable in the pic because a harness is blocking it.

      Oh, and additive is a waste of time. YOu have an electrical problem since its triggering an electrical code. Additive rarely helps anything and definatly wont help a electrical problem.
      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

    10. Member midorialexandros's Avatar
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      08-03-2012 10:22 PM #10
      Quote Originally Posted by CoolAirVw View Post
      the electrical connector after verifying on a car here is to the left of the area the light is focused in on in the 3rd pic. Its not visable in the pic because a harness is blocking it.

      Oh, and additive is a waste of time. YOu have an electrical problem since its triggering an electrical code. Additive rarely helps anything and definatly wont help a electrical problem.
      I took it to a transmission shop. They said it is the speed sensors. I paid them 1521 to pull the trans and replace all three speed sensors. They put the car back together. Now it is driving BETTER, but it is still hard shifting and the speedo is still freaking out. The VAGCOM is coming up with 00281 - Vehicle Speed Sensor (G68) and 01166 (MAF). Neither of these codes came up before they replaced the three speed sensors with the wiring harness inside the trans.

      They kept the car leaving me without a car for another weekend. I need help?

      The dealer is telling me that there is another sensor on the backside of the transmission, and this was not replaced by the trans shop... ( that I know of )
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    11. Member CoolAirVw's Avatar
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      08-06-2012 07:01 PM #11
      Quote Originally Posted by midorialexandros View Post
      The VAGCOM is coming up with 00281 - Vehicle Speed Sensor (G68)

      Quote Originally Posted by midorialexandros View Post
      ....and 01166 (MAF).
      That may have triggered because they had the MAF unplugged. just make sure its plugged in, clear the code and see if it reoccurs.

      Quote Originally Posted by midorialexandros View Post
      Neither of these codes came up before .....
      the 00281 code was there before. When "whoever" scanned it and came up with P0722. This is the same code as 00281. P0722 comes up when you scan with a Generic OBDII scanner and 00281 comes up when you scan with vag-com.
      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

    12. Member CoolAirVw's Avatar
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      08-06-2012 07:02 PM #12
      Quote Originally Posted by midorialexandros View Post
      They kept the car leaving me without a car for another weekend. I need help?
      Just let them keep trying. At least you found a shop that will attempt a fix without selling you a replacement trans.
      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

    13. Member midorialexandros's Avatar
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      08-08-2012 03:27 PM #13
      Quote Originally Posted by CoolAirVw View Post
      Just let them keep trying. At least you found a shop that will attempt a fix without selling you a replacement trans.
      They handed me back the keys on Monday. They are sending me to their electrical diagnostic guy who only works on Euro cars tomorrow morning... He comes highly recommended.. hes having me pay him 85.00 for two hours of diagnostics. This is just crazy ****. The speedo does not respond, and the car wont shift from 1-2 gear. As soon as the speedo comes to life it KICKS into 2nd, but even as I am accelerating it freezes between each shift and then jumps up whatever speed I am actually going. When I take turns hard left or right it seemed to be effecting if it gets better or worse.

      I also noticed when my car was facing into the wind the speedo tripped out bad. The transmission wouldn't go into 5th gear, the check light would come back on within a quarter mile when erased. Then sometimes, suddenly it clears up and starts shifting correctly and goes into 5th gear. The speedo still periodically drops and flips around.

      I came up to a red light last night and had to stop a little short. The Speedo went from dead zero to 160, the stereo turned all the way up ( the volume is controlled by speed ) and then dropped back to zero. This really freaked me out.

      I did some more checking on the forums... some people with similar issues mentioned fuse #7. I replaced 7,11, and 15. The car has started going into 5th gear and shifting correctly. I drove it back to checker borrowed their OBD2 and erase the code and it hasn't come back. I drove it hard, around turns pulled hard and nothing - the speedo still momentarily messed up - BUT no check light and the trans shifting hasn't had any issues. I have not driven the car today... I am still taking it in for diagnostics tomorrow...

      If they come back and say its the TCM like this other persons ( exact same issues... wasted $$ replacing all the same **** I did. ) ....I am going to tell the trans guy I want the labor charges back. :/ Urgh.

      THOUGHTS?
      Last edited by midorialexandros; 08-08-2012 at 03:34 PM.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    14. Member midorialexandros's Avatar
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      08-08-2012 04:47 PM #14
      Also they resolved the maf. They didn't have **** clipped together right somewhere.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    15. Member midorialexandros's Avatar
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      09-17-2012 07:41 PM #15
      Quote Originally Posted by CoolAirVw View Post
      Just let them keep trying. At least you found a shop that will attempt a fix without selling you a replacement trans.
      The strange thing that my car does that no one else's seems to do ( of the two other people experiencing the exact same problems and troubleshooting steps ) is that the shifting intermittently gets better and/or worse. There are times when I am trying to drive the car ( no 5th gear in over two weeks now ) that it seems to try downshifting before upshifting when I am accelerating or decelerating depending on what I am doing at the time. The kicks are hard, so bad that the whole car shudders and lurches. To get the car to IMMEDIATELY stop shifting THAT bad I simply pull over, turn the car off, wait 30 seconds with the key removed, start it back up and the hard shifts stop, it still has the speedo problems and still shifts poorly - but the varying degrees in the poor performance are night and day. I am being told its the TCM. The wires have not been traced - but nothing is damaged and everything is testing good that has been checked. I am apprehensive about collecting the TCM. Its good that it does not have to be flash on replacement though.


      Thoughts?
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    16. Member midorialexandros's Avatar
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      09-26-2012 11:00 AM #16
      The TCM has been ordered. It will be here thursday.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

    17. Member midorialexandros's Avatar
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      09-29-2012 07:31 PM #17
      I did not check the pins on the wires before I got the TCM.

      However - Replacing the TCM fixed my issues.

      We drove it after the replacement and immediately noticed when I put the car in reverse that the speedo began showing numbers ( before completely unresponsive in reverse ). Got on the main street and hit the accelerator - all gears perfect shifting and immediately went into 5th gear. Prior to the replacement we had no 5th gear and the shifting patterns were horrible intermittently. Drove it 10 miles and then went back and had the throttle position set, kick down set, and trans put in learning mode. All is well. My buddy noted that there were now codes stored in the ECU indicating that the TCM has been signaling intermittent faults. I am not sure when this happened because the last time I had it read, about a month or so ago, there were no TCM codes.

      Car is absolutely perfect. Night and day from the moment we replaced the TCM this morning. The speedo also no longer freezes between shifts, where it did before. All's well that ends well I suppose. Better I only paid 150 than 780 the stealership wanted.
      -Yep, thats right, I'm a girl-

      Its a wolfsburg thing, you wouldn't understand.

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