AutoCodes – Chevrolet – P2227 2017 Chevrolet Silverado

P2227 2017 Chevrolet Silverado Code - Barometric Pressure Sensor Performance

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
P2227 2017 Chevrolet Silverado indicates Barometric Pressure Sensor Performance.
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 866
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 P2227 2017 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 pressure is less than 50 kPa (7.3 psi) or greater than 115 kPa (16.7 psi).
OBDII Code P2227 2017 Chevrolet Silverado - Barometric Pressure Sensor Performance - AutoCodes.com
P2227 2017 Chevrolet Silverado Code - Barometric Pressure Sensor Performance

What are the Possible Causes of the DTC P2227 2017 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 P2227 2017 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 P2227 2017 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 P2227 2017 Chevrolet Silverado code?

Need more information on how to fix the P2227 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P2227 2017 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P2227 in a 2017 Chevrolet Silverado?

The common symptoms of P2227 include poor engine performance, reduced fuel efficiency, and illuminated Check Engine Light on the dashboard.

2. What does the OBDII code P2227 in a 2017 Chevrolet Silverado indicate?

P2227 indicates a fault with the Barometric Pressure Sensor's performance in the vehicle.

3. What are the possible causes of OBDII code P2227 in a 2017 Chevrolet Silverado?

Potential causes of P2227 include a faulty barometric pressure sensor, wiring issues, vacuum leaks, or a problem with the engine control module.

4. How serious is the OBDII code P2227 in a 2017 Chevrolet Silverado?

While P2227 may not cause immediate harm to the vehicle, it can negatively impact engine performance and fuel efficiency if left unresolved. It is recommended to address the issue promptly.

5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P2227?

It is generally not recommended to continue driving with a persistent P2227 code, as it can lead to further engine complications and potential damage over time. It's best to diagnose and repair the issue promptly.

6. How can I diagnose the OBDII code P2227 in my 2017 Chevrolet Silverado?

Diagnosing P2227 typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the barometric pressure sensor and related components, as well as checking for any wiring or vacuum leaks.

7. How can I repair OBDII code P2227 in my 2017 Chevrolet Silverado?

Repairing P2227 may involve replacing the barometric pressure sensor, repairing any damaged wiring, fixing vacuum leaks, or reprogramming the engine control module, depending on the root cause of the issue.

8. Is it possible to reset the OBDII code P2227 in a 2017 Chevrolet Silverado?

Resetting the code is possible by using an OBDII scanner to clear the code after the underlying issue has been diagnosed and repaired. However, if the problem persists, the code will likely reappear.

9. Do I need a professional mechanic to fix OBDII code P2227 in my 2017 Chevrolet Silverado?

While some DIY enthusiasts may be able to address P2227 themselves, it is recommended to consult a professional mechanic, especially if you are not experienced in diagnosing and repairing automotive issues.

10. How can I prevent OBDII code P2227 from occurring in my 2017 Chevrolet Silverado?

Regular maintenance, such as checking and replacing the barometric pressure sensor as needed, inspecting wiring for damage, and promptly addressing any engine performance issues, can help prevent the recurrence of P2227 in the future.

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