DTC P0074 - Ambient Air Temperature Sensor Circuit A Intermittent/Erratic
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P0074 - AMBIENT AIR TEMPERATURE SENSOR CIRCUIT A 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 . | ||