welcome to Just Answer.
It could be a couple of different things, you need to get the code that is stored in the computer, you need a full scanner tool a code reader will not work. But here are somethings to check and test. Where there is blue lettering it will go to pics and diagrams but it will only open after you click ACCEPT.
Please let me know if you need more help.
Thanks you and good luck
I have noticed that you have veiwed the answer but have not clicked accept, do you have any questions in requards to my answer?
If not please click the accaept button.
This is a paid site and I have noticed you have a asked other questions and other experts have helped you and you have not click accept. Can you please let me know why so you do not get reported.