DTC P009A: Intake Air Temperature/Ambient Air Temperature Correlation
P009A - INTAKE AIR TEMPERATURE/AMBIENT AIR TEMPERATURE CORRELATION
| Description: This DTC sets when the intake air temperature (IAT) and ambient air temperature (AAT) sensor readings differ by greater than a calibrated value. | |||
Possible Causes:
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| Diagnostic Aids: Make sure the IAT, AAT and engine coolant temperature (ECT) sensor readings are within 18°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| F-150 3.5L | GO to PINPOINT TEST DN . | ||
| All others | GO to PINPOINT TEST DA . | ||