OBD codes / P0112

P0112

Minor

Intake Air Temperature (IAT) Sensor Circuit Low

Usually safe to drive; fix at your convenience.

Likely causes

  • faulty IAT sensor
  • wiring short
  • connector corrosion

Common fixes

  • clean the connector
  • replace the IAT sensor (often part of the MAF)

Seeing P0112 on your car? Get a diagnosis specific to your exact year, make and model.

Diagnose P0112 for my vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.