P0074 - Ambient Air Temperature Sensor Circuit Intermittent/Erratic
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2014 Lincoln Navigator, 2014 Lincoln MKZ, 2014 Lincoln MKX, 2014 Lincoln MKT, and 2014 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
P0074 - AMBIENT AIR TEMPERATURE SENSOR CIRCUIT INTERMITTENT/ERRATIC
| Description: This DTC sets when the ambient air temperature (AAT) sensor signal changes beyond the minimum or maximum calibrated limit. | |||
Possible Causes:
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| Diagnostic Aids: Check the harness and connection. Monitor the sensor PID while wiggling and bending the harness from the sensor to the PCM. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST FA: AMBIENT AIR TEMPERATURE (AAT) SENSOR . | ||