DTC P0111: Intake Air Temperature (IAT) Sensor Circuit Range/Performance Problem: Condition
WARNING: This page is about a different car, the 1999 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when variation in intake air temperature is less than predetermined. MIL is illuminated when Powertrain Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- IAT sensor or circuit malfunction.
- PCM malfunction.