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Is it possible to read the code without a code reader?

2934 Views 1 Reply 2 Participants Last post by  sonny615
2004 Buick Regal LS

I am having the security, oil, and battery lights all flashing and want to know what is going on. My Ford Escort and Honda let me read the code with a paper clip in the diagnostic adapter port, what about the Buick?
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