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Discussion Starter #1
I WAS DRIVING MY GF'S CAR AND WHILE IT WAS CHANGING GEARS IT WENT FROM 1RST TO 2ND TO 3RD THEN IT GAVE A JERKY MOTION AND ALL THE GEARS LIT UP ON THE DASH, 234DNRP IN BLACK LIKE THEY WERE ALL RUNNING AT THE SAME TIME. I TURN OFF HER CAR AND START IT BACK UP AND IT WORKS FINE FOR 4-10 MINS AND IT DOES THE SAME THING.... WHEN I TAKE OFF FROM THE LINE IT IS IN 4 OR 5TH GEAR AND WONT CHANGE. WHAT COULD THIS BE????
 

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looks like the ECU having trouble communicating with TCM.

Is your GF's passat chipped with APR by any chance?

Anyway, I would start by swapping the ECU with other member with same year model to see if you can replicate this problem and go from there....

Hooking up to vag will help for sure, if available.
 
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