I believe that I was in limp mode on my crossfire it would not shift out of 1st and I took it to dealership and they wanted to charge me 1400 I tried a different way andbought a unewused transmission with way less miles put it in and now the car is doing the same thing could it be a sensor can anyone help me im ready to pull my hair out

 

damn..mine wont shift after 2nd =(

 

It could be the conductor plate. The transmission speed sensor in mine was going bad and was intermittently causing limp mode. The part is about $120, and takes about 4 hours to change out. After I replaced mine the trans shifted like new

 

Read through these search results, the answer will lay therein.
Or put 'limp mode' in the search box.

 

I've been in perpetual limp mode for going on 15 years now.

 

They sell drugs for that!