How do I find out what codes my enging light is signaling in a 2009 Acadia?

Asked by Jul 29, 2014 at 12:04 PM about the 2009 GMC Acadia

Question type: Maintenance & Repair

My engine light came on and I want to find out what the codes are. Anyone know how I can do that?

2 Answers

228,075

Purchase a code reader for $20, have a mechanic do it or your local auto aprts store can usually do it for free.

19,745

most major parts stores will code scan to help find the part you will buy from them

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