Hi, my EvoX MR recently had the ayc service warning light come on.
Evoscan is showing these AYC codes : U0100 , C1290
I cant find any detailed info about these codes, I was hoping someone would be able to tell me what these codes are and how to remedy them if possible.
thanks,

 

I have the same issue with my Evo X GSR, I recently overhauled the ACD/AYC pump and bled it and installed with no efect, the lights still come on and it seems no voltage to the pump is received, when ignition on and gas pedal floored. Did you get any help, solution to the problem?

 

Hello, i have the same problem after changing clutch ! Same code error : U0100 & C1290 but don't find any information about it...
The error correspond to :
U0100 : Engine Control module CAN timeout
C1290 : CAN time out error
But... No solution..

Thank you in advance if you find a solution !