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Engine-Codes – GMC – P2228 2015 GMC Sierra

P2228 2015 GMC Sierra Code - Barometric Pressure Sensor Circuit Low Voltage

Quick Answer

The P2228 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Barometric Pressure Sensor Circuit, specifically a low voltage reading. Common causes include Faulty Barometric Pressure Sensor, Damaged wiring or connectors in the 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
P2228 2015 GMC Sierra indicates Barometric Pressure Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty Barometric Pressure Sensor, Damaged wiring or connectors in the 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 10, 2024
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Code P2228 2015 GMC Sierra Description

The P2228 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Barometric Pressure Sensor Circuit, specifically a low voltage reading. The Barometric Pressure Sensor is a crucial component of the vehicle's engine management system, as it measures the atmospheric pressure and helps the engine control module (ECM) adjust fuel delivery and ignition timing for optimal performance and efficiency.

OBDII Code P2228 2015 GMC Sierra - Barometric Pressure Sensor Circuit Low Voltage
P2228 2015 GMC Sierra Code - Barometric Pressure Sensor Circuit Low Voltage

Common Causes of P2228 2015 GMC Sierra

  1. Faulty Barometric Pressure Sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. ECM software issues
  4. Vacuum leak affecting sensor readings
  5. Environmental factors affecting atmospheric pressure readings

Symptoms of P2228 2015 GMC Sierra

  1. Rough idling or engine stalling
  2. Hesitation or lack of power during acceleration
  3. Poor fuel efficiency
  4. Increased emissions
  5. Illuminated check engine light

How to Fix P2228 2015 GMC Sierra

  1. Use a scan tool to retrieve the DTC and confirm the presence of the P2228 code.
  2. Inspect the Barometric Pressure Sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the Barometric Pressure Sensor's voltage output and compare it to specifications to determine if it is functioning correctly.
  4. Replace the Barometric Pressure Sensor if it is found to be faulty.
  5. Clear the DTC and perform a test drive to ensure the code does not return and the vehicle operates normally.

Cost to Fix P2228 2015 GMC Sierra

The typical repair costs for addressing a P2228 code on a 2015 GMC Sierra can range from $100 to $300, including parts and labor. However, actual costs may vary based on the specific diagnosis time and labor rates at auto repair shops, which typically charge between $80 and $150 per hour. Factors such as location, vehicle make and model, and engine type can also influence repair costs. It is recommended to obtain quotes from local auto repair shops for a more accurate estimate.

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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 P2228 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P2228 in a 2015 GMC Sierra?

The common symptoms of P2228 include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light on the dashboard.

2. What does the OBDII code P2228 for a 2015 GMC Sierra indicate?

OBDII code P2228 indicates a low voltage condition in the barometric pressure sensor circuit of the vehicle.

3. What are the possible causes of OBDII code P2228 in a 2015 GMC Sierra?

Possible causes of P2228 include a faulty barometric pressure sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module (ECM).

4. How can I diagnose the cause of OBDII code P2228 in my 2015 GMC Sierra?

Diagnosing P2228 involves checking the barometric pressure sensor, inspecting the sensor wiring and connectors for damage, and testing the ECM for proper functionality using an OBDII scanner.

5. Can I continue driving my 2015 GMC Sierra with OBDII code P2228?

It is not recommended to continue driving with P2228 as the low voltage condition can affect the engine's performance and fuel efficiency. It's best to address the issue promptly.

6. How can I repair OBDII code P2228 in my 2015 GMC Sierra?

Repairing P2228 typically involves replacing the faulty barometric pressure sensor, repairing any damaged wiring or connectors, and clearing the code using an OBDII scanner.

7. Are there any DIY tips for fixing OBDII code P2228 in a 2015 GMC Sierra?

While some basic troubleshooting like checking for loose connections or damaged wires can be done DIY, it is recommended to seek professional help for accurate diagnosis and repair of P2228.

8. Will resetting the check engine light resolve OBDII code P2228 in my 2015 GMC Sierra?

Simply resetting the check engine light will not resolve P2228. The underlying issue causing the low voltage condition in the barometric pressure sensor circuit needs to be addressed.

9. How much does it cost to fix OBDII code P2228 in a 2015 GMC Sierra?

The cost of fixing P2228 can vary depending on the cause of the issue, the parts needed for repair, and labor costs. It's advisable to get a diagnosis from a mechanic for an accurate estimate.

10. Can extreme weather conditions trigger OBDII code P2228 in a 2015 GMC Sierra?

Extreme weather conditions can potentially affect the barometric pressure sensor and trigger P2228. It's essential to ensure the sensor and its connections are well-protected to prevent weather-related issues.

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