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P0113 2014 GMC Sierra Code - Intake Air Temperature Circuit High Input

Quick Answer

The P0113 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates an issue with the Intake Air Temperature (IAT) sensor circuit registering a high input. Common causes include Faulty IAT sensor, Damaged or corroded wiring/connectors in the IAT sensor circuit, ECM software issues. 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 2014 GMC Sierra indicates Intake Air Temperature Circuit High Input.
Common causes
Common causes include Faulty IAT sensor, Damaged or corroded wiring/connectors in the IAT sensor circuit, ECM software issues.
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 13, 2024
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Code P0113 2014 GMC Sierra Description

The P0113 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates an issue with the Intake Air Temperature (IAT) sensor circuit registering a high input. The IAT sensor is responsible for monitoring the temperature of the air entering the engine. This information is crucial for the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion efficiency. When the ECM detects a high input from the IAT sensor circuit, it means that the temperature reading is higher than expected, which can lead to various performance issues.

OBDII Code P0113 2014 GMC Sierra - Intake Air Temperature Circuit High Input
P0113 2014 GMC Sierra Code - Intake Air Temperature Circuit High Input

Common Causes of P0113 2014 GMC Sierra

  1. Faulty IAT sensor
  2. Damaged or corroded wiring/connectors in the IAT sensor circuit
  3. ECM software issues
  4. Intake air leaks near the IAT sensor
  5. Extreme temperature conditions affecting sensor readings

Symptoms of P0113 2014 GMC Sierra

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine hesitation during acceleration
  4. Check Engine Light illuminated
  5. Reduced engine performance

How to Fix P0113 2014 GMC Sierra

  1. Begin by visually inspecting the wiring and connectors in the IAT sensor circuit for any damage or corrosion. Repair or replace any damaged components.
  2. Test the IAT sensor using a multimeter to verify its resistance values at different temperatures. Replace the sensor if it is out of specification.
  3. Clear the DTC using a scan tool and monitor the IAT sensor readings to ensure they are within the correct range.
  4. If the issue persists, perform a thorough diagnosis of the ECM and related components to identify any underlying issues that may be causing the high input signal.
  5. Once the root cause is determined, repair or replace the faulty components as needed to resolve the P0113 code and restore proper engine operation.

Cost to Fix P0113 2014 GMC Sierra

The typical repair costs for addressing a P0113 code on a 2014 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty IAT sensor can cost between $50 to $150, while repairing damaged wiring or connectors may range from $100 to $300. If the ECM requires reprogramming or replacement, the costs can increase significantly, potentially reaching $500 or more.

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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 2014 GMC Sierra Code

1. What does the OBDII code P0113 mean on a 2014 GMC Sierra?

P0113 indicates that the Intake Air Temperature (IAT) sensor is reporting a voltage level higher than expected, which usually means the sensor is detecting an abnormally high temperature or there’s an electrical issue.

2. What are the common symptoms of P0113 in a 2014 GMC Sierra?

Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, difficulty starting, or an illuminated check engine light.

3. What causes the P0113 code in a 2014 GMC Sierra?

Common causes include a faulty IAT sensor, a damaged or disconnected IAT sensor wiring harness, a short circuit, or a dirty or contaminated sensor.

4. Can I drive my 2014 GMC Sierra with a P0113 code?

You can drive with a P0113 code, but it is not recommended for long periods. The engine may run inefficiently, and prolonged driving without repair could lead to further issues.

5. How do I fix the P0113 code on my 2014 GMC Sierra?

Fixes include inspecting and reconnecting the IAT sensor wiring, cleaning the sensor, or replacing the sensor if it’s faulty. Checking for and repairing any wiring damage is also essential.

6. Where is the IAT sensor located on a 2014 GMC Sierra?

The IAT sensor is typically located near the air intake system, often on or near the air filter housing or intake manifold.

7. How much does it cost to fix the P0113 code on a 2014 GMC Sierra?

Repair costs can range from $50 to $200, depending on whether the issue is resolved by cleaning, repairing wiring, or replacing the IAT sensor.

8. Can a dirty air filter cause the P0113 code on a 2014 GMC Sierra?

A dirty air filter is unlikely to cause P0113 directly, but it can affect airflow and sensor readings. Cleaning or replacing the air filter is a good maintenance step.

9. Will resetting the code fix the P0113 issue in my 2014 GMC Sierra?

Resetting the code may turn off the check engine light temporarily, but if the underlying issue isn’t resolved, the code will return.

10. How can I prevent the P0113 code from occurring in my 2014 GMC Sierra?

Regular maintenance, including checking the air intake system for damage, cleaning the IAT sensor, and inspecting wiring, can help prevent the P0113 code.

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