guess what , my Greddy TT is acting up as well.
In the beginning was fine wired up as Alejo has and since about a month or two it acts funny.
I have set it to stay 30 sec and if i drive more it will calculate by itself and ad more time to it. This was working for me but now as soon as i start the car it counts up even though i'm in idle so it will count up for ever untill i stop and turn off the key and then it counts down from where it stoped counting up ( ex. 10 min ) .
Another thing that i noticed is that while i'm driving and the TT counts up non stop if i use the two first buttons to control the front windows it will restart the TT in other words TT will restart counting and will beeb and flash red for about 2-5 sec and starts counting from 30 sec and up.
i just disconnected the VSS cable and it still acts the same bull .
What the **** would be the problem here , it first started when i installed the AEM UEGO WB.
any ideas before i yank it out