P0072
PowertrainTemperature Sensorlow severityAmbient Air Temperature Sensor Circuit Low
What P0072 Means
The ambient air temperature sensor circuit voltage is lower than expected, indicating a short or very high temperature reading.
Symptoms
- Check Engine Light
- Very high temp display
Common Causes
- Short to ground
- Faulty sensor
- Damaged wiring
Diagnostic Steps
- Test circuit voltage
- Check for shorts
- Test sensor resistance
Where to start: Repair short or replace sensor.
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