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2013 Heater May Have Died

2918 Views 14 Replies 8 Participants Last post by  peevee
Heat was working fine then suddenly the fan cranked WAY up an nothing but cold air. I haven’t been able to get heat out of the car since then. Anyone have any suggestions? Is there anything I can do to troubleshoot beyond checking fuses?
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Try OnStar for any trouble codes, or ask an auto store to read the codes with an ODB2 device.
Somehow I posted this twice, ok three times if you include dutche’s heater thread too. Anywho, I pulled the fuse and examined it. Looked ok so I popped it back in. Like magic, the heat is working again. No clue why. But I won’t complain.
Software reset would be my guess. But if it happens again, there may be another issue.
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