: 2003 Deville CKP codes

06-16-13, 01:19 PM
Hope this is the answer to my trouble codes P 0385 and P 0386...Sounds very much logical and approachable solution...Thanks for the photos and How-Do language

Moderator EDIT: This post was moved from Cadillac Tech Tips from a thread on TB and IAC cleaning.

06-17-13, 09:51 AM

Those are CKP sensor codes. Cleaning the TB won't hurt, but won't help either. You need to change the CKP sensors.