DTC P0074 - Ambient Air Temperature Sensor Circuit A Intermittent/Erratic
WARNING: This page does not describe the selected car, but rather 24 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION 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 . | ||