DTC P0073: Ambient Air Temperature Sensor Circuit High
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P0073 - AMBIENT AIR TEMPERATURE SENSOR CIRCUIT HIGH
| Description: | The DTC indicates the sensor signal is greater than the self-test maximum. | ||
| Possible Causes: |
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| Diagnostic Aids: | An AAT sensor reading greater than the self-test maximum with ignition ON engine OFF or during any engine operating mode indicates a concern is present. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST FA . | ||