transmission seems to jerk between 1st and 2nd in stop and go traffic on 2006 Volkswagen Passat

check engine light just came on tonight while I was on freeway.

I am worried this is a major transmission problem.

Asked by for the 2006 Volkswagen Passat
Have it scanned to find out what the computer wants to say about this. It has got the best clue since the light is on!!
Thanks. I read too many horror stories and am not looking forward to the computer.
Relax, it's prob. something simple! Whatever the problem, if that's the worse thing that ever happens, it's all good!
You're the best Pushrod!
I'll keep you posted.