AutoCodes – GMC – P2230 2015 GMC Sierra

P2230 2015 GMC Sierra Code - Barometric Pressure Sensor Circuit Erratic

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
P2230 2015 GMC Sierra indicates Barometric Pressure Sensor Circuit Erratic.
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 345
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 P2230 2015 GMC Sierra 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 cumulative difference between BARO sensor readings, over a specific length of time, is greater than a calibrated threshold.
OBDII Code P2230 2015 GMC Sierra - Barometric Pressure Sensor Circuit Erratic - AutoCodes.com
P2230 2015 GMC Sierra Code - Barometric Pressure Sensor Circuit Erratic

What are the Possible Causes of the DTC P2230 2015 GMC Sierra?

  • 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 P2230 2015 GMC Sierra?

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 P2230 2015 GMC Sierra 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 P2230 2015 GMC Sierra code?

Need more information on how to fix the P2230 2015 GMC Sierra 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 P2230 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P2230 on a 2015 GMC Sierra?

The common symptoms of OBDII code P2230 on a 2015 GMC Sierra include issues with engine performance, reduced fuel efficiency, and the illumination of the check engine light.

2. What is the main cause of OBDII code P2230 on a 2015 GMC Sierra?

The main cause of OBDII code P2230 on a 2015 GMC Sierra is a malfunction in the barometric pressure sensor circuit, leading to erratic readings.

3. How does the barometric pressure sensor affect the vehicle's performance?

The barometric pressure sensor helps the engine control module adjust fuel delivery and ignition timing based on the atmospheric pressure, ensuring optimal engine performance.

4. How can I diagnose the issue causing OBDII code P2230 on my 2015 GMC Sierra?

Diagnosing the issue causing OBDII code P2230 may require checking the barometric pressure sensor's connections, wiring, and the sensor itself for any signs of damage or malfunction.

5. Can a faulty barometric pressure sensor be repaired, or does it need to be replaced?

In most cases, a faulty barometric pressure sensor causing OBDII code P2230 will need to be replaced to resolve the issue and restore proper engine performance.

6. Are there any DIY repair tips for addressing OBDII code P2230 on a 2015 GMC Sierra?

DIY repair tips for addressing OBDII code P2230 may include checking and cleaning the sensor connections, inspecting the wiring for any damage, and resetting the check engine light after repairs.

7. Will driving with OBDII code P2230 on a 2015 GMC Sierra cause further damage to the vehicle?

Continuing to drive with OBDII code P2230 on a 2015 GMC Sierra may lead to reduced fuel efficiency and engine performance, but it may not cause immediate further damage.

8. Can resetting the check engine light resolve OBDII code P2230 on a 2015 GMC Sierra?

Resetting the check engine light may temporarily clear the code, but if the underlying issue with the barometric pressure sensor circuit remains unresolved, the code is likely to reappear.

9. How much does it typically cost to replace a barometric pressure sensor on a 2015 GMC Sierra?

The cost of replacing a barometric pressure sensor on a 2015 GMC Sierra can vary depending on the sensor's brand, quality, and the labor rates of the repair shop, but it may range from $100 to $200.

10. Is it safe to drive my 2015 GMC Sierra with OBDII code P2230 if I am unable to address the issue immediately?

If you are unable to address OBDII code P2230 immediately, it is generally safe to drive your 2015 GMC Sierra, but you may experience reduced engine performance and fuel efficiency until the issue is resolved.

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