I believe its in the rain tray. Passenger side IIRC.
Originally Posted by TM87
VW-making mechanics out of owners since 1957.
The project - '84 Jetta 1.6TD, 186k+, fully rebuilt, Giles IP and injectors, 2.5" custom exhaust, 51mpg
Hers - '03 BMP 20thAE GTI, 125k, all stock...for now
His - '01 Jetta TDI, 126k. Now has 3 pedals, as it should!
remove the rubber from the cowel.
You should remove the passenger wiper.
Lift plastic and ecu is there.
There are 2 rectangular connectors there is a slide piece that releases the conn from the ecu.