1999 Honda Accord COMPUTER CODE

WHAT DOES THE CODE P.1696 MEAN? THE ELECTRO MECHANIC CANNOT FIND THE DEFINITION OF THIS CODE. THE CAR MALFUNCTION IS ON THE TRANSMITION. THE ACCORD DOWN SHIFTS AND UP SHIFT HARD, AS IF THE TRANSMITION WERE CHANGING SHIFTS AT WRONG SPEEDS. THE TRANSMITION HAS BEEN VERIFY. NOTHING IS WRONG.