Apoio com um Ford PowerStroke 6.4

Estimated I have a problem with a Ford Power Stroke 6.4
P02C1 fault code is obtained
there are also problems in the automatic transmission when you select back up operates normally but when you select 1-2-3 I have to accelerate the engine to advance the truck-to select in D there is no transmission also in the board does not turn on the selections of the changes of the changes of the changes of the changes of the changes