Engine-CodesGMC – P00EA 2017 GMC Sierra

P00EA 2017 GMC Sierra Code - Intake Air Temperature Sensor 3 Circuit Low Voltage

Quick Answer

The P00EA diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Intake Air Temperature Sensor 3 Circuit, specifically a low voltage condition. Common causes include Faulty IAT Sensor: The most common cause of this code is a malfunctioning Intake Air Temperature sensor, Wiring Issues: Damaged or corroded wiring connections leading to the IAT sensor can cause a low voltage condition, ECM Malfunction: A problem with the engine control module can also trigger this code. 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
P00EA 2017 GMC Sierra indicates Intake Air Temperature Sensor 3 Circuit Low Voltage.
Common causes
Common causes include Faulty IAT Sensor: The most common cause of this code is a malfunctioning Intake Air Temperature sensor, Wiring Issues: Damaged or corroded wiring connections leading to the IAT sensor can cause a low voltage condition, ECM Malfunction: A problem with the engine control module can also trigger this code.
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.
Table of contents Created and updated by William Orellana on Sep 18, 2024
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Code P00EA 2017 GMC Sierra Description

The P00EA diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Intake Air Temperature Sensor 3 Circuit, specifically a low voltage condition. The Intake Air Temperature (IAT) sensor is a crucial component of the engine management system, as it measures the temperature of the incoming air to the engine. This information is used by the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion and performance.

OBDII Code P00EA 2017 GMC Sierra - Intake Air Temperature Sensor 3 Circuit Low Voltage
P00EA 2017 GMC Sierra Code - Intake Air Temperature Sensor 3 Circuit Low Voltage

Common Causes of P00EA 2017 GMC Sierra

  1. Faulty IAT Sensor: The most common cause of this code is a malfunctioning Intake Air Temperature sensor.
  2. Wiring Issues: Damaged or corroded wiring connections leading to the IAT sensor can cause a low voltage condition.
  3. ECM Malfunction: A problem with the engine control module can also trigger this code.
  4. Intake Air Leaks: Air leaks in the intake system can affect the IAT sensor readings, leading to a low voltage signal.
  5. Environmental Factors: Extreme temperatures or exposure to moisture can also impact the IAT sensor's performance.

Symptoms of P00EA 2017 GMC Sierra

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Engine Performance: The engine may experience a decrease in power, acceleration, and overall performance.
  3. Poor Fuel Efficiency: A faulty IAT sensor can lead to improper fuel mixture, resulting in decreased fuel efficiency.
  4. Rough Idle: The engine may idle roughly or inconsistently due to incorrect air-fuel mixture.
  5. Emission Issues: The vehicle may fail emissions tests due to increased emissions caused by improper engine management.

How to Fix P00EA 2017 GMC Sierra

  1. Diagnose the Issue: Use a scan tool to retrieve the DTC and perform a thorough inspection of the IAT sensor and related wiring.
  2. Replace the IAT Sensor: If the sensor is found to be faulty, replace it with a new one following manufacturer's guidelines.
  3. Check Wiring Connections: Inspect the wiring harness for any damage or corrosion, repair or replace as needed.
  4. Clear DTCs: After completing the repair, clear the DTC and test drive the vehicle to ensure the issue has been resolved.
  5. Perform a Final Check: Verify that the check engine light is no longer illuminated and that the engine is running smoothly.

Cost to Fix P00EA 2017 GMC Sierra

The cost of repairing a P00EA code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the price of a new Intake Air Temperature sensor can range from $50 to $100. Labor costs at auto repair shops typically range from $80 to $150 per hour. Additional costs may include diagnostic time, wiring repairs, and any other necessary parts. It's recommended to consult with a qualified mechanic or dealership for a more accurate estimate based on your location and vehicle specifics.

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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 P00EA 2017 GMC Sierra Code

1. What does the OBDII code P00EA mean on a 2017 GMC Sierra?

P00EA indicates that the Intake Air Temperature (IAT) Sensor 3 is reporting a low voltage signal, which may affect engine performance.

2. What are the common symptoms of code P00EA in a 2017 GMC Sierra?

Symptoms include reduced engine performance, poor fuel efficiency, difficulty starting, and a Check Engine Light.

3. What causes the P00EA code to appear on a 2017 GMC Sierra?

Common causes include a faulty IAT Sensor 3, damaged wiring or connectors, or a malfunctioning Engine Control Module (ECM).

4. How do I fix the P00EA code on my GMC Sierra?

Inspect and repair any damaged wiring or connectors, clean or replace the IAT Sensor 3, and clear the code with a scan tool.

5. Where is the Intake Air Temperature Sensor 3 located on a 2017 GMC Sierra?

IAT Sensor 3 is typically found in the intake manifold or air intake system, depending on the engine configuration.

6. Can I drive my 2017 GMC Sierra with the P00EA code?

It’s not recommended as the code can lead to poor engine performance and increased fuel consumption, potentially causing further damage.

7. How much does it cost to fix the P00EA code on a 2017 GMC Sierra?

Repairs can range from $50 to $300, depending on whether the issue is a simple wiring repair or a sensor replacement.

8. How can I prevent the P00EA code from occurring again?

Regularly inspect and maintain the air intake system, ensure the sensor is clean, and check for damaged wiring or connectors.

9. What tools are needed to diagnose the P00EA code on a 2017 GMC Sierra?

You’ll need an OBDII scanner, a multimeter to test voltage, and basic hand tools for inspection or repair.

10. Can a dirty air filter cause the P00EA code?

While a dirty air filter doesn’t directly cause P00EA, it can lead to airflow issues that may affect sensor readings over time.

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