P0073
PowertrainTemperature Sensorlow severityAmbient Air Temperature Sensor Circuit High
What P0073 Means
The ambient air temperature sensor circuit voltage is higher than expected.
Symptoms
- Check Engine Light
- Very low temp display
Common Causes
- Open circuit
- Faulty sensor
- Disconnected connector
Diagnostic Steps
- Test circuit voltage
- Check connector
- Test sensor resistance
Where to start: Repair open circuit or replace sensor.
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