I get a check engine light after using cruise for longer than 10 mins at highway speeds and I get a service ride controll message.
I got these codes any help on what they mean is apreciated.

po39
p070
i039
i052

If your car is '95 or older (OBDI), you'll find the code definitions here.
http://myweb.accessus.net/~090/dtcobd1.html

If it is '96 or newer (OBDII), use this one.
http://myweb.accessus.net/~090/dtcobd2.html

excelent thanks