"Service Bulletin - The MIL comes on with DTC P0430 (front bank catalyst system efficiency below threshold [bank 2]). Additionally, one or more of the following DTCs may also be stored:
-P030X (misfire)
-P219A (air-fuel ratio variation of cylinder [bank 1, rear bank])
-P219B (air-fuel ratio variation of cylinder [bank 2, front bank])"
