Q&A

I RECEIVED THIS CODE FROM MY TRUCK. P0715 WHAT DOES IT MEAN AND CAN I FIX MYSELF IF POSSIBLE..AND WHERE IS IT LOCATED IF POSSIBLE ..THANK YOU SO MUCH. WHAT HAPPENDS IS ALL OF A SUDDEN MY O/D LIGHT STARTS FLASHING THEN MY TRUCK WILL SHIFT HARD. THEN AFTER A WHILE IT STOPS THEN GOES BACK TO NORMAL.SOMETIMES IT MAY LAST FOR WEEKS THE O/D LIGHT FLASHING AND SHIFTING HARD.THEN STOPS.