P0111 - Intake Air Temperature Circuit Range/Performance Problem

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

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
  What does this mean?

When is the code detected?

An excessively low or high voltage from the sensor is sent to ECM.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0111 Description

The Intake Air Temperature (IAT) sensor contains a semiconductor device which changes the resistance based on the temperature (a thermistor). The IAT sensor is located in the air intake passage of the engine air induction system. The IAT sensor has a signal circuit and a ground circuit. The Powertrain Control Module (PCM) monitors the Intake Air Temperature Sensor signal. The PCM sets the OBDII code when the Intake Air Temperature Sensor signal is out of factory specifications.

OBDII Code P0111 - Intake Air Temperature Circuit Range/Performance Problem - Engine-Codes.com
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P0111 Information for specific makes

P0111 ACURA Intake Air Temperature Circuit Range/Performance Problem
P0111 AUDI Intake Air Temperature Circuit Range/Performance Problem
P0111 BMW Intake Air Temperature Circuit Range/Performance Bank 1
P0111 CHRYSLER Intake Air Temperature Sensor 1 Performance
P0111 DODGE Intake Air Temperature Sensor 1 Performance
P0111 FORD Intake Air Temperature Sensor 1 Circuit Range/Performance Problem
P0111 HONDA Intake Air Temperature Circuit Range/Performance Problem
P0111 HYUNDAI Intake Air Temperature Sensor 1 Circuit Range/Performance Problem
P0111 JAGUAR Intake Air Temperature Circuit Range/Performance Problem
P0111 JEEP Intake Air Temperature Sensor 1 Performance
P0111 LEXUS Intake Air Temperature Sensor 1 Gradient Too High
P0111 MAZDA Intake Air Temperature Circuit Performance Problem
P0111 MERCEDES-BENZ Intake Air Temperature Circuit Range/Performance Problem
P0111 MINI Intake Air Temperature Circuit Range/Performance Bank 1
P0111 MITSUBISHI Intake Air Temperature Circuit Range/Performance Problem
P0111 NISSAN Intake Air Temperature Circuit Range/Performance Problem
P0111 SUBARU Intake Air Temperature Circuit Range/Performance Problem
P0111 TOYOTA Intake Air Temperature Sensor 1 Gradient Too High
P0111 VOLKSWAGEN Intake Air Temperature Circuit Range/Performance Problem

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