DTC P0111: Intake Air Temperature Sensor Circuit, Performance Problem: Conditions

DTC is set when intake air temperature is 104°F (40°C) greater than engine coolant temperature and ignition switch is on. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• Intake Air Temperature (IAT) sensor malfunction.
• PCM malfunction.
• Poor connections at IAT sensor and PCM.