Ok i have tried all the ways to retrieve my codes tried doing exactly what most posts say but nothing is working. I do not have a pin connecter like obd I or II have i do have my ccc and fuel display. The car is a 93 Cadillac SedanDeville with 87k miles the antilock light is on the service sss light is on the security light is on and now the electric door locks dont work(fuses r fine) also my rear door lights stay on with all doors shut but go off when they are open. I tried disconnecting the battery to clear codes i tried using the ccc but i never see any of the stuff that is described. When i hold off warmer it the ccc displays --- the fuel data center displays ES2 0.7.0 if press hi it displays E.0.0. then flashes E.9.6 if i press lo it displays P.2.5 or P.0.0 and then flashes various numbers 122 422 etc..... i am not able to get to the clear codes message nor does holding off lo reset em please please help!!! Frustrated deville owner!