trouble codes stored in hvac

2005 BUICK
86,000 MILES • 3.8L • V6 • FWD • AUTOMATIC
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INSEPPID
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  • 5 POSTS
Hmac300;
cannot worry about trouble codes stored. Will power disconnected clear, like in older model cars? It really bothers me to know I have trouble codes stored. I will even go get scanner to clear them. Car is cherry.
Oct 27, 2016 at 7:13 AM
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HMAC300
  • ✓Experienced Mechanic
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first if it is an HVAC code there will be no check engine light if that is your concern, so a mechanic would have to clear it anyhow as auto parts cannot do that. if you disconnect power it will not clear the code and could set off security system so car would not start. But if it bugs you then go a head and do it but there will be a charge normally from a mechanic.
Oct 27, 2016 at 8:42 AM
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INSEPPID
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Can get scanner and think I can muddle my way to hvac and clear it. But did replace battery a year and a half ago. Disconnected power to do so with no security problem. But will use scanner. Thanks.
Oct 27, 2016 at 10:09 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,691 POSTS
Please let us know what you find so it will help others.

Best, Ken
Nov 1, 2016 at 2:47 AM
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