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Discussion Starter · #1 ·
I hope that I came to the right place. Trying to determine how to fix my wifes 2013 Malibu LT 2.5 L. First the MyLink unit went out completely. It would occasionally power of and come back on by itself. Now it is completely dead. The other issue I am seeing is when I connect my scan tool up to the OBD port, it immediately starts pulling the codes even without a key in the ignition. What should I look for? How can I troubleshoot this issue? I don't have the money to take it to a dealer/repair shop. The car still runs but I would like to resolve the issues before they become worse.

Any help is greatly appreciated.
 

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Discussion Starter · #3 ·
So what if the electrical issue is causing whichever codes it is logging? It seems to me that the OBD port communicating without a key in the ignition should be a symptom of something. Could it be a short in the steering column or ignition switch? Is it a possible issue with the ECM? Is it the OBD wiring harness? The car is running fine and the code that it has is calling out an oxygen sensor. I'm more concerned about the electrical issue at this point.
 
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