transmission shifts manually but will not shift automatically seems to be stuck in high gear
Mar 12, 2013 at 12:41 AM
HMAC300
✓Experienced Mechanic
48,601 POSTS
have it scanned for codes you may have a an internal problem.
Mar 12, 2013 at 6:27 AM
KHLOW2008
✓Experienced Mechanic
41,812 POSTS
You need a proper diagnostic to find out what is wrong. Flip up the carpet under the passenger footwell and turn ignition switch on. Note if the LED on the TCM is blinking any trouble codes.