voltage issue

[Bullyk20]

hi for all,

im having some issues with the voltage, comes to 12,5-12,7V when i start to acclerate and after 4000rpms goes to 14 again, i found on the log something rare, going on highway and release the gas pedal happens the issue and the radiator fan indicator comes and goes if i hit the pedal....

attached the datalog

i hope you can help me, battery is ok, grounds, no CELs...


thanks for your time and info

[Spunkster]

This will not have anything to do with the ECU or the K-Pro. IT sounds like there is a charging problem with the alternator. You should have it tested.