Sonnax Torque Converter parts for Jatco JFE (09A) applications. Hello,just joined up how you doin? I have a 04 Jetta with the 09A (jatco je trans) Have a problem with this problem transmission that I have. On the 09A or JFE, the common problem with those when that happens, Audi A3 year , jatco 5 Speed – AUQ with kw – ps.

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5-Speed Automatic Transmission (09A) – Ross-Tech Wiki

Originally Posted by tochtli83 So, this is a friend’s car. Send a private message to pruzink. All you really need to do is split the case with the trans on the bench with the bellhousing facing up. Results 1 to 20 of It just seems more than anything, that the shifts are just hard and off of the correct RPMs. Send me an email at pruzink charter. I assume I’d need a VW shop code? I only say this due to the work required to get to these things. An electrical jtaco affecting the pressure control solenoid can cause high pressure, but this will not only affect I had attributed that to a torn EVAP hose, but who knows now.

So, I ran the jatcoo in the measuring blocks. I’m gonna revive this one, as I’m working on a friend’s car, and it just threw a code for the speed sensor.

Probably would be a good idea to change the fluid temp sensor and the G and G also. I did notice a mouse had been living in the rain-tray area, but I inspected all the wires from there to the battery tray, and saw no chewed wires anywhere.


So, this is a friend’s car. Anyway, after doing all the electrical work, I then did the timing belt on it, as it was waaay past due.

Speed Sensor G detects the speed of the transmission input shaftby sampling the teeth on the outside of clutch K2. As i said before thats the 1 problem with this trans.

Is this what your saying? How does one check the resistance on the sensor? If you dont know, then clear the code and drive it again. I come from Germany.

Jatco Transmission problem – TDIClub Forums

Find More Posts by DrYankee I have a 04 Jetta with the 09A jatco je trans Have a problem with this problem transmission that I have not seen or read about during my search which led me here or my experience with this trans I am a Landrover Technician and this trans uatco in the Freelander I have a code P output speed sensor no signal,I have taken the ohm readings and resistance is off the chart,sensor is in the differential on the INSIDE of transmission VW sells the sensor but will not service it.

The 1 problem with this jwtco. Air mass meter is new! There were indeed not all three gear always broken with the same error. On the bench its probably not an issue though, because gravity will hold everything down. Because the turbine speed sensor changes alot with rpm gear change and it could make a radical change as a shift happened and undo the shift. Originally Posted by felix Originally Posted by tochtli83 If you jam the pedal, it will go bonkers and shift like poo. Contact Us Archive Top.


If you’re easy on the pedal, it will shift easily thru all the gears.

Why does it work fine when you reset the TCM? Last edited by CoolAirVw; July 24th, at What is the TCM detecting?

VW 09A Transmission

This one could get a guy in alot of trouble if the clutch drums moved out and you didn’t get them all the way back in. Originally Posted by tochtli83 That’s hard to say. Send a private message to Sip’n Diesel.

Here’s a close up of the sensor. Hello,just joined up how you doin?

5-Speed Automatic Transmission (09A)

jatc Do you mean this trans has a rough shiftdoes is it maybe a slide bang shift? The output speed sensor g68 is the one under the gear. Like, there was a problem with poor current running thru the wires, or incorrect resistance.