OBD Guide

P2199

Intake Air Temperature Sensor 1/2 Correlation

P2199 is an OBD-II diagnostic trouble code meaning: Intake Air Temperature Sensor 1/2 Correlation. Common causes: malfunction of one of the intake air temperature sensors, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation at idle
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Malfunction of one of the intake air temperature sensors
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Sensors are dirty or damaged
  • Problems with the engine ECU

How to Fix

  1. Check the readings of both temperature sensors using a diagnostic scanner
  2. Inspect the connectors and wiring of the sensors for damage.
  3. Check the resistance of the sensors at different temperatures
  4. Replace faulty temperature sensor
  5. Clean or replace dirty sensors

Related codes

Error P2199 by Vehicle Brand

FAQ

What does the P2199 code mean?

P2199 is an OBD-II diagnostic trouble code that indicates: Intake Air Temperature Sensor 1/2 Correlation

What causes a P2199 error code?

The most common causes of P2199 include: Malfunction of one of the intake air temperature sensors; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Sensors are dirty or damaged.

How do I fix a P2199 diagnostic trouble code?

To fix P2199: Check the readings of both temperature sensors using a diagnostic scanner. Inspect the connectors and wiring of the sensors for damage.. Check the resistance of the sensors at different temperatures. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2199?

Yes, but get it checked soon

How much does it cost to fix P2199?

The estimated repair cost for P2199 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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