2005 Chevrolet Colorado no heat or ac

2005 CHEVROLET COLORADO
200,000 MILES • 2WD • AUTOMATIC
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WOOD1313
  • MEMBER
  • 1 POST
When I turn knob to get heat or ac nothing happens
Mar 25, 2015 at 10:19 AM
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HMAC300
  • CERTIFIED EXPERT
  • 48,601 POSTS
check fuses under hood then have it scanned it may be a body module problem or control head.
Mar 25, 2015 at 12:27 PM