Just joined from Scotland - p0743 error
 

Hi there.
I live in a very remote area of the Scottish highlands. I have a 2000 chrysler neon LX
Which has just gone through major surgery. The transmission pipe blew, stripping the radiator thread and taking out the transmission. It's now got a new radiator and box, but I've got a p0743 error on the engine check light. it's running fine, any ideas how to beat this one??