Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
ok so this thing has been a NIGHTMARE!!!! ANY help would be appreciated! Its got a brand new rack proxy alignment has been successful, but EPS Learn will not work. Ive tried 2 different scan tools, a snap-on and autel. I Dont know what else to do with this damn thing!!!!!! It keeps giving me codes for ECU flash and Initialization c221f and c221c. ECU has been confirmed to be up to date.
you may need to diagnose power and grounds to PS module or possibly get it flashed with up to date programming your ECM should be fine after doing this
Last edit: 4 years 7 months ago by chief eaglebear.
