Just bought a 93 eurovan with the 2.5 and the auto trans. Reverse works and when I put in drive it seems like it is stuck in either 2nd or 3rd gear. No shifts in forward gear. When I try to manually shift it feels and sounds like it is trying to do something when I drop it down to first but it doesnt change gears. This is my first VW eurovan with an automatic, where should I start? Where is the TCM? Also gear selection light on dash is working according to the position of shift lever but no shifts. Any suggestions are greatly appreciated.
After messing around with the van for a while I unplugged the wiring harness located on the bottom of the trans and cleaned it and plugged it back in; now the van will shift from first to second gear manually and I am not able to get it to go back into 3rd. Reverse still works. This has to be an electrical issue, any suggestions on where to start?
I have exactly the same problem - gears change manually OK but sticks in 3rd in drive... I also think it is electrical but have been quoted for a complete new box... did you find the cause of the problem???
My van is 1993 2.4 diesel with 098 auto transmission
It would appear that the problem is somewhere in the gearbox, and the TCM goes into "limp mode" (common problem in old age?) to prevent further damage. Only solution - new gearbox. Anyone with any other ideas?
Just got my VW back from the auto electrician who checked every cable connection and switch without finding any problem. He apologised for not being able to fix it, said I must buy a new gearbox. Drove it home - it works fine, changes through all gears at the right speed... got to be an electrical connection somewhere that is temperamental.
Tried the Sonnax website - they seem to sell spares for this gearbox, but I could not find any useful diagnostic info - am I missing something? A circuit diagram for the electrics on the box would be a good start - any ideas where I could find that???
For anyone still watching this.... The problem seems to be in the connector to the TCM, in the offside footwell. Water drips into this from the door and corrodes the contacts. My gearbox now changes correctly, but still does not allow me manually to select 2 or 3 (though strangely I can select 1) and the dash display only shows D at all times... possibly a duff TCM. Loosen the connector and the gearbox stays in limp mode - 3rd gear at all times.