I have a 48re with 120,000 on it. Some times it will have a late shift from 1-2 and a hard down shift from 3-2. I have serviced and flushed, adjusted both bands and checked front band looks good. I replaced the governor solenoid and sensor also. It does not do it often. It does not set any codes. Thinking it could be the throttle valve actuator causing throttle pressure to high. Has anyone had this problem? Any help would be great.