P0071 Buick Ambient Air Temperature Sensor Circuit Range/Performance Fault

P0072 Buick Ambient Air Temperature Sensor Circuit Low

Possible causes
– Faulty ambient air temperature sensor
– Ambient air temperature sensor harness is open or shorted
– Ambient air temperature sensor circuit poor electrical connection
What about the obd code?
Ambient temperature sensor input voltage is below the minimum acceptable value.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0072 Buick Description

Ambient Air Temperature (AAT) Circuit Low

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera