after truck warms up o/d light flashs and transmission will not shift into overdrive.
Sep 30, 2010 at 12:36 PM
BLUELIGHTNIN6
✓Experienced Mechanic
16,542 POSTS
most likely have sensor or solenoid issue, need to have tranny shop run diagnostic on tranny since O/D is flashing , it will easily pinpoint the culprit.