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GMC TSB #PIT5099D
2018 GMC Yukon
Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER
- This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
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