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08 3.8L OBD2 is powered but will not connect to cpu all the time. Sometimes it will connect. Is this a cpu issue or a wire issue?

If it was a wire then power would not be constant?


Did look for this in issues but did not see it thanks for any help! Please remember it does have power so it's just a data flow problem.
 

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The OBD connector has +12, ground, Can+ and Can-.

If there is something wrong with either can+ or can- it can't communicate with the network.
 
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