The transmission is computer controlled a dead battery would affect it. Did you get a jump start from somebody? If you jumped the car incorrectly you could cause damage to the electrical system and possibly damaged the transmission computer and even the ECU.
And also check gearbox oil level if its low it wont change up gears or will be slow to change up.
SPONSORED LINKS
Monday, July 28th, 2014 AT 4:46 AM