GMC TSB #PI0701
2011 GMC Terrain
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
- Summary
- GM: MAY BE DIFFICULT TO SET THE TEMPERATURE WHEN IN DEFROST MODE. THIS CONDITION MAYBE CAUSED BY THE EXISTING HVAC CONTROL MODULE CALIBRATION LACKING TEMPERATURE SENSITIVITY. *JS