P0073 GMC Ambient Air Temperature Sensor Circuit High Input
Possible causes
– Faulty ambient air temperature sensor
– Ambient air temperature sensor harness is open or shorted
– Ambient air temperature sensor circuit poor electrical connection
– Ambient air temperature sensor harness is open or shorted
– Ambient air temperature sensor circuit poor electrical connection
What about the obd code?
The Engine Control Module (ECM) has detected an open or short circuit condition on the Ambient Air Temperature (AAT) sensor circuit.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,