THIS BULLETIN ANNOUNCES AVAILABILITY OF REPROGRAMMING FILES TO OPTIMIZE THE DRIVE MOTOR CONTROL MODULE (DMCM), PART OF THE HYBRID ELECTRICAL SYSTEM. IN RARE CASES, IF THE OPERATOR CYCLES THE IGNITION OFF THEN BACK ON AGAIN WITHIN A VERY SHORT PERIOD OF TIME, THE CHECK ENGINE LAMP MAY COME ON AND STORE DTC P0604 IN MEMORY (ACCOMPANIED BY A DETAIL CODE 0901).
