My crossfire is also stuck in park and will not start. Just had the rcm fixed and has a new battery. The shift indicator is showing a block instead of the P. Do I need a new shift assembly? Worked fine until the rcm was repaired. Turned key on while rcm was being fixed to move it out of garage. Wing went up and the shifter locked. Can be put in N by pressing the release through the trap door, but locks up again soon as it’s in park. Paid $2500.00 from a friend who said the car was not reliable. I read the forums and thought I could fix. If it’s the computer will just push outside by a barn and let it rot.