My 06 mazda 6 atx transmission has developed a problem not shifting into 2nd or 4th gear. I have a fault code p0757 indicating a solenoid B stuck open. I have since drained the fluid & individually removed all the solenoids & carefully inspected them & found nothing wrong with them. They all appeared to be moving freely & clicked when energized with 12v battery current. I replaced the filter & pan + topped off the fluid level. Still no shift into 2nd. It will shift into 3rd & the AT indicator will lite up on the dash.
Anyone have a clue what I should check next ?????

 

have u found out what ur problem is. i have a 1991 mx6 and im having the same problem only its a off and on thing i need help to to figure this out. thanks