How to get code from check engine light?

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shaynk

New Member
I see the stickied files with all the "check engine light" codes but how do I know which number (12-71?) is causing my light to come on?

I know on a GM you jump 2 terminals under the dash and then you dash blinks the answer at you. Is there a similar process?
 
?

Ok, great!

Where in the engine bay is the diagnostic box?

I don't use the diagnostic terminal under the dash?
 


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