b0200

Has anyone ever seen fault code B0200? I have a 2011 V6 Mustang. I am about to roll over 100k miles. Its has CAI, GT500 Mufflers, and DiabloSport tune. I am now getting a CEL with code B0200. If i clear the code it will stay away for about 3 maybe 4 days. The light comes back on normally...