DTC P1112: Intake Air Temperature (IAT) Circuit Intermittent
P1112 - INTAKE AIR TEMPERATURE (IAT) CIRCUIT INTERMITTENT
| Description: This DTC sets when the IAT sensor signal is intermittent. | |||
Possible Causes:
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| Diagnostic Aids: Monitor the IAT PID on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped. | |||
| 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 . | ||