Possible causes

– Faulty ambient air temperature sensor
– Ambient air temperature sensor harness is open or shorted
– Ambient air temperature sensor circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0073 Description

Ambient Air Temperature Sensor Circuit High Input is the generic definition for the P0073; however your vehicle’s manufacturer may have a different definition and information for the P0073 code.

P0073 Information for specific makes

P0073 AUDI
P0073 BMW
P0073 CHRYSLER
P0073 DODGE
P0073 JEEP
P0073 MITSUBISHI
P0073 VOLKSWAGEN