Thread: P0620???

anyone ever experienced this code. i think i know where to start on tracking it down but if anyone has had this problem and could give me a little heads up on where the issue more then likely is would be great help and cut down on the amount of stuff i got to tear into. thanks kevin.

P0620 [Archive] - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

hope this helps a little