Pressing and holding 'off' and 'warmer' on the climate panel with the key on, and holding until all VFD segments light up, will enter on-board diagnostics. From there it will display diagnostic trouble codes. PCM/ECM codes are the ones to be concerned with, record them and reply to post. Chances are it has a broken shift solenoid. Low fluid will give you performance issues, but not necessarily as specific as no 1-2 shift.
SPONSORED LINKS
Monday, June 6th, 2011 AT 3:15 PM