Possible causes
– Faulty Intake Air Temperature (IAT) sensor
– Dirty air filter
– Intake Air Temperature (IAT) sensor harness is open or shorted
– Intake Air Temperature (IAT) sensor circuit poor electrical connection
– Dirty air filter
– Intake Air Temperature (IAT) sensor harness is open or shorted
– Intake Air Temperature (IAT) sensor circuit poor electrical connection
When is the obd code mean?
When the PCM senses a signal voltage lower than the normal operating range of the sensor, this DTC sets.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0112 CHEVROLET OBD Code Description