Troubleshooting Volvo XC90 P0113 Error Code

How to Fix the P0113 Error Code in Your Volvo XC90

If you're a Volvo XC90 owner and your vehicle's diagnostic system has flagged an error code P0113, it indicates an issue with the Intake Air Temperature (IAT) sensor circuit. This sensor measures the temperature of the air entering the engine and plays a crucial role in helping your vehicle's computer determine the optimal air-fuel mixture for current driving conditions. Here’s a detailed guide on how to diagnose and resolve this issue.

Understanding the P0113 Error Code

The P0113 code means that there is a high input problem with the IAT sensor, usually indicating that the sensor is reading the air temperature as hotter than it actually is. This can be due to several reasons:

  • Faulty or damaged IAT sensor
  • Poor electrical connection in the IAT sensor circuit
  • Short to voltage in the IAT sensor harness

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Steps to Diagnose and Fix the P0113 Error Code

Step 1: Visual Inspection

  • Check the IAT Sensor: Locate the IAT sensor in your Volvo XC90. It's typically found in the air intake boot, or near the air filter box. Inspect it for any visible signs of damage or corrosion.
  • Inspect Wiring: Look for any signs of wear, tear, or disconnections in the wiring harness connected to the IAT sensor.

Step 2: Check the Electrical Connections

  • Secure Connections: Make sure that all electrical connections are tight and free from corrosion.
  • Use a Multimeter: Set your multimeter to the resistance mode and check the resistance across the sensor terminals. Compare your findings with the specifications in your vehicle’s manual.

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Step 3: Replace the IAT Sensor

  • If the sensor is faulty, replacing it is usually straightforward:
    • Disconnect the battery: Ensure safety by disconnecting the battery.
    • Remove the old sensor: Disconnect the sensor and remove it from its position.
    • Install the new sensor: Place the new sensor in the same position and reconnect it.
    • Reconnect the battery and start the engine to check if the error code clears.

Step 4: Clear the Error Code

  • After replacing the sensor and ensuring all connections are secure, use an OBD-II scanner to clear the P0113 code from your vehicle’s computer. If the code does not clear, there may be additional issues.

Step 5: Test Drive

  • Take your Volvo XC90 for a test drive to ensure that the issue is resolved and the performance of your vehicle is back to normal.

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When to Seek Professional Help

If you have followed all the steps above and the P0113 code still persists, it might be time to consult with a professional. Mavyn offers both AI and human expert assistance that can guide you through more complex diagnostics and repairs. You can chat with Mavyn GPT or connect with a human expert to get tailored answers to your specific situation.


Dealing with a P0113 error code in your Volvo XC90 can be frustrating, but with the right approach, it’s a manageable issue. Remember to always handle electronic components with care and consult a professional if you are unsure about any steps.

For more detailed guidance, don’t hesitate to reach out to Mavyn’s expert services. Whether through AI-assisted advice or direct human expert interactions, Mavyn is here to help you keep your Volvo XC90 running smoothly.