P0112low severityPowertrain
IAT Sensor 1 Circuit Low Input
on 2012 Lincoln MKX 3.7L V6 · AWD
What this code means
The IAT sensor circuit voltage is lower than expected, indicating a very high temperature or short.
Symptoms
- Check Engine Light
- Rich fuel mixture
- Poor economy
Common causes
- Short to ground in IAT circuit
- Faulty sensor
- Water intrusion in connector
Diagnostic steps
- Test sensor resistance
- Check for shorts to ground
- Inspect connector for moisture
Repair notes
Repair short or replace sensor.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1