ImQuattro®

<ul><li><a href="https://forums.audiworld.com/s4s6/msgs/238934.phtml">Click to go to thread and more pictures...</a></li></ul>

ImQuattro®

(I love having 4 C4's to play w/ and swap parts for troubleshooting)
So I looked at the circuitry on the newer style module and noticed that the extra pin goes NOWHERE! The track that comes from it just stops and there isn't anything on it.
SO! I thought I'd try my modified unit from the S4 in it.
Works 100% and no "bulb out" signal. All lights work as they should.
Good to know.<ul><li><a href="https://forums.audiworld.com/s4s6/msgs/102415.phtml">Here's the procedure to do eliminate the</a></li></ul>

Audi Logic

if the older modules work 100% then modding the new module should be fairly easy