AutoCodes – Chevrolet – P2228 2014 Chevrolet Silverado

P2228 2014 Chevrolet Silverado Code - Barometric Pressure Sensor Circuit Low Voltage

Quick Answer

The Barometric Pressure (BARO) sensor is integral to the multifunction intake air sensor and responds to changes in altitude and atmospheric conditions. Common causes include Faulty Barometric Pressure (BARO) Sensor (integrated within Mass Air Flow/Multifunction Intake Air Sensor), Barometric Pressure Sensor harness is open or shorted, Barometric Pressure Sensor circuit poor electrical connection. 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 2014 Chevrolet Silverado indicates Barometric Pressure Sensor Circuit Low Voltage.
Common causes
Common causes include Faulty Barometric Pressure (BARO) Sensor (integrated within Mass Air Flow/Multifunction Intake Air Sensor), Barometric Pressure Sensor harness is open or shorted, Barometric Pressure Sensor circuit poor electrical connection.
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.
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Code Popularity 2,137
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 21, 2022
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Code P2228 2014 Chevrolet Silverado Description

The Barometric Pressure (BARO) sensor is integral to the multifunction intake air sensor and responds to changes in altitude and atmospheric conditions. This gives the Engine Control Module (ECM) an indication of barometric pressure. The ECM uses this information to calculate fuel delivery. The BARO sensor provides a voltage signal to the ECM relative to the atmospheric pressure changes. The ECM monitors the BARO sensor signal for a voltage outside of the normal range. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the BARO sensor voltage is less than 2.0 V for greater than 4 s.
OBDII Code P2228 2014 Chevrolet Silverado - Barometric Pressure Sensor Circuit Low Voltage - AutoCodes.com
P2228 2014 Chevrolet Silverado Code - Barometric Pressure Sensor Circuit Low Voltage

What are the Possible Causes of the DTC P2228 2014 Chevrolet Silverado?

  • Faulty Barometric Pressure (BARO) Sensor (integrated within Mass Air Flow/Multifunction Intake Air Sensor)
  • Barometric Pressure Sensor harness is open or shorted
  • Barometric Pressure Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P2228 2014 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2228 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2228 2014 Chevrolet Silverado code?

Need more information on how to fix the P2228 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2014 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2228 in a 2014 Chevrolet Silverado?

The common symptoms of P2228 may include reduced engine performance, rough idling, poor fuel efficiency, and the illumination of the check engine light.

2. What does the OBDII code P2228 indicate in a 2014 Chevrolet Silverado?

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 2014 Chevrolet Silverado?

Potential causes of P2228 can include a faulty barometric pressure sensor, damaged wiring or connectors in the sensor circuit, low engine vacuum, or issues with the engine control module.

4. How can I diagnose the OBDII code P2228 in my 2014 Chevrolet Silverado?

Diagnosing P2228 typically involves checking the barometric pressure sensor's voltage output, inspecting the sensor's wiring for damage, and verifying proper sensor operation with a scan tool.

5. Can I still drive my 2014 Chevrolet Silverado with OBDII code P2228?

It is not recommended to drive with an unresolved P2228 code, as it may lead to further engine performance issues and potential damage if left unaddressed.

6. How can I repair OBDII code P2228 in my 2014 Chevrolet Silverado?

Repairing P2228 often involves replacing the barometric pressure sensor if it is found to be faulty, repairing or replacing damaged wiring, and clearing the trouble codes with a scan tool.

7. Is it necessary to reset the OBDII code P2228 after repairing the issue in a 2014 Chevrolet Silverado?

Yes, it is important to reset the code after repairing the underlying problem to clear the check engine light and ensure the issue has been resolved.

8. Can a DIY enthusiast fix OBDII code P2228 in a 2014 Chevrolet Silverado?

While some aspects of diagnosing and repairing P2228 can be done by a DIY enthusiast, it is recommended to consult a professional mechanic for accurate diagnosis and repair to avoid further complications.

9. How much does it typically cost to repair OBDII code P2228 in a 2014 Chevrolet Silverado?

The cost of repairing P2228 can vary depending on the exact cause of the issue, but it may range from around $100 to $300 for parts and labor.

10. Will OBDII code P2228 cause my 2014 Chevrolet Silverado to fail an emissions test?

Yes, if the P2228 code is present during an emissions test, it can cause your vehicle to fail the test due to the emission control system malfunction.

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