Cadillac Repair: error codes on 1989 seville 4.5, radiator cooling fan, error codes

Question
what do error codes b441 and b448 mean? how do i clear codes?

how do i get my radiator cooling fan to turn on so my car wont overheat , the fan never turns on

Answer
B441 = Cooling fan problem.

B448 = Very low A/C freon amount in system.

You will need several pictures and simple test procedures in order to fix this problem.

Since this website here only allows 1 picture you will need to e-mail your question to:

onlineautohelp@msn.com