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2013 Heater May Have Died

2916 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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Do firmware updates cost anything?

VCX nano

FWIW: Recently verified my 2013 Gen1 already had the most current software calibrations 22808243 & 22884415 applied for the K10 according to SPS info.

Your Gen1 may also have these most recent calibrations applied but the GM service dept would be able to confirm this for you.
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