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P0113 2017 GMC Sierra Code - Intake Air Temperature Circuit High Input

Quick Answer

The P0113 diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the Intake Air Temperature (IAT) Circuit High Input. Common causes include Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can result in high input signals, ECM Malfunction: A malfunctioning Engine Control Module can also cause high input signals from the IAT sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0113 2017 GMC Sierra indicates Intake Air Temperature Circuit High Input.
Common causes
Common causes include Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor, Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can result in high input signals, ECM Malfunction: A malfunctioning Engine Control Module can also cause high input signals from the IAT sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0113 2017 GMC Sierra Description

The P0113 diagnostic trouble code (DTC) for a 2017 GMC Sierra refers to the Intake Air Temperature (IAT) Circuit High Input. This code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the IAT sensor, which measures the temperature of the air entering the engine. The IAT sensor plays a crucial role in determining the air-fuel mixture that is fed into the engine for combustion. When the ECM receives a high input signal from the IAT sensor, it may incorrectly adjust the air-fuel mixture, leading to poor engine performance, decreased fuel efficiency, and potential damage to engine components.

OBDII Code P0113 2017 GMC Sierra - Intake Air Temperature Circuit High Input
P0113 2017 GMC Sierra Code - Intake Air Temperature Circuit High Input

Common Causes of P0113 2017 GMC Sierra

  1. Faulty IAT Sensor: The most common cause of the P0113 code is a malfunctioning IAT sensor.
  2. Wiring Issues: Damaged or corroded wiring connecting the IAT sensor to the ECM can result in high input signals.
  3. ECM Malfunction: A malfunctioning Engine Control Module can also cause high input signals from the IAT sensor.
  4. Air Intake System Blockage: An obstruction in the air intake system can lead to inaccurate temperature readings by the IAT sensor.

Symptoms of P0113 2017 GMC Sierra

  1. Check Engine Light: The most common symptom associated with the P0113 code is the illumination of the Check Engine Light on the vehicle's dashboard.
  2. Decreased Fuel Efficiency: A faulty IAT sensor can lead to incorrect air-fuel mixture adjustments, resulting in decreased fuel efficiency.
  3. Engine Misfires: The incorrect air-fuel mixture can cause engine misfires and rough idling.
  4. Engine Stalling: In severe cases, the engine may stall due to improper fuel delivery.
  5. Reduced Engine Performance: The vehicle may experience a lack of power or sluggish acceleration due to the faulty IAT sensor.

How to Fix P0113 2017 GMC Sierra

  1. Diagnostic Inspection: Begin by using a scan tool to read the code and determine the underlying cause of the high input signal from the IAT sensor.
  2. IAT Sensor Replacement: If the sensor is found to be faulty, replace it with a new sensor compatible with the 2017 GMC Sierra.
  3. Wiring Check: Inspect the wiring connecting the IAT sensor to the ECM for any damage or corrosion. Repair or replace any damaged wires.
  4. ECM Reset: Reset the Engine Control Module after making repairs to clear the code and ensure proper functioning of the system.
  5. Test Drive: Take the vehicle for a test drive to ensure that the issue has been resolved and that the Check Engine Light does not reappear.

Cost to Fix P0113 2017 GMC Sierra

The typical cost estimate for repairing the P0113 code on a 2017 GMC Sierra can range from $100 to $300, including parts and labor. The cost of the IAT sensor itself can vary depending on the brand and quality, typically ranging from $20 to $100. Labor costs at auto repair shops can vary between $80 and $150 per hour, so the total cost may fluctuate based on the specific rates in your area. It's recommended to consult with local auto repair shops for a more accurate estimate based on your vehicle's make and model.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0113 2017 GMC Sierra Code

1. What does the OBDII code P0113 mean on a 2017 GMC Sierra?

P0113 indicates that the Intake Air Temperature (IAT) sensor is reporting a high voltage signal to the Engine Control Module (ECM), which usually means the sensor is detecting an abnormally low air temperature.

2. What are the common symptoms of P0113 on a 2017 GMC Sierra?

Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting, a rough idle, or the check engine light being illuminated.

3. What causes the P0113 code to appear on a 2017 GMC Sierra?

Common causes include a faulty IAT sensor, damaged or corroded wiring, a disconnected sensor, or a problem with the ECM.

4. Can I drive my 2017 GMC Sierra with a P0113 code?

While the vehicle may still be drivable, operating it with this code can lead to poor performance and reduced fuel economy. It’s best to address the issue promptly to avoid potential engine damage.

5. How do I fix a P0113 code on a 2017 GMC Sierra?

Check the IAT sensor for damage or disconnection, inspect wiring for corrosion or breaks, and replace the sensor if necessary. If the issue persists, further diagnosis of the ECM may be required.

6. Where is the Intake Air Temperature (IAT) sensor located on a 2017 GMC Sierra?

The IAT sensor is typically located in the air intake duct near the air filter housing or integrated into the mass air flow (MAF) sensor.

7. How much does it cost to fix the P0113 code on a 2017 GMC Sierra?

Repair costs can vary but typically range from $50 to $200, depending on whether you need to replace the IAT sensor or repair wiring.

8. Can a dirty air filter cause the P0113 code on a 2017 GMC Sierra?

A dirty air filter is unlikely to cause this specific code, but it’s a good idea to check and replace it if dirty, as it can affect overall engine performance.

9. Will clearing the P0113 code fix the issue on my 2017 GMC Sierra?

Clearing the code will turn off the check engine light temporarily, but it won’t fix the underlying issue. The code will likely return if the problem isn’t resolved.

10. How can I prevent the P0113 code from recurring on my 2017 GMC Sierra?

Regularly inspect and maintain the IAT sensor and wiring. Ensure all connections are secure and clean, and replace components as they show signs of wear or damage.

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