OBD Guide

P1115

Intake Air Temperature Sensor 2 Circuit High

P1115 is an OBD-II diagnostic trouble code meaning: Intake Air Temperature Sensor 2 Circuit High. Common causes: malfunction of intake air temperature sensor 2, open or short circuit in the sensor circuit. Estimated repair cost: $6–22.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Problems starting the engine
  • Check Engine light comes on
  • Reduced engine power

Causes

  • Malfunction of intake air temperature sensor 2
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded or damaged wiring
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the resistance of the air temperature sensor
  2. Inspect wiring and connectors for damage
  3. Check continuity with a multimeter
  4. Replace the air temperature sensor if necessary
  5. Clean or replace damaged wires

Related codes

Error P1115 by Vehicle Brand

FAQ

What does the P1115 code mean?

P1115 is an OBD-II diagnostic trouble code that indicates: Intake Air Temperature Sensor 2 Circuit High

What causes a P1115 error code?

The most common causes of P1115 include: Malfunction of intake air temperature sensor 2; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corroded or damaged wiring.

How do I fix a P1115 diagnostic trouble code?

To fix P1115: Check the resistance of the air temperature sensor. Inspect wiring and connectors for damage. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1115?

Yes, but get it checked soon

How much does it cost to fix P1115?

The estimated repair cost for P1115 is $6–22. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat