What Is P0073 Obd2 Code - Ambient Air Temp Sensor High Fix

Cruising in the summer heat with warm air blowing in your face while the dash claims it is freezing outside is a clear sign of an ambient air temperature sensor failure. This sensor sits behind the front grille and reports the weather to the computer to manage the AC compressor. A high voltage reading usually indicates a completely broken wire or a disconnected plug. Because the sensor is exposed to road salt, bugs, and debris, it takes a massive beating. Trace the wiring harness behind the bumper for signs of rodent damage before buying parts. A quick jump test at the harness connector can prove the integrity of the wiring back to the computer. If the reading changes on your scanner during the test, you can confidently replace the failed sensor element.

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