P227B 2016 Chevrolet Silverado Code - Barometric Pressure Sensor 2 Performance
Quick Answer
The Barometric Pressure (BARO) Sensor 2, also referred to as the Turbocharger Inlet Air Pressure (TCIAP) sensor, is integral to the Multifunction Intake Air Sensor and is used for humidity sensor signal correction. Common causes include Faulty Multifunction Intake Air Sensor, Multifunction Intake Air Sensor harness is open or shorted, Multifunction Intake Air 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
- P227B 2016 Chevrolet Silverado indicates Barometric Pressure Sensor 2 Performance.
- Common causes
- Common causes include Faulty Multifunction Intake Air Sensor, Multifunction Intake Air Sensor harness is open or shorted, Multifunction Intake Air 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.
Code P227B 2016 Chevrolet Silverado Description
- Intake Air Temperature (IAT) Sensor 1
- IAT Sensor 2
- Humidity Sensor
- Mass Air Flow (MAF) Sensor
- Turbocharger Inlet Air Pressure (TCIAP) Sensor (BARO 2)
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the BARO sensor pressure is less than 50 kPa (7.3 PSI) or greater than 115 kPa (16.7 PSI), for greater than 62.5 ms.
What are the Possible Causes of the DTC P227B 2016 Chevrolet Silverado?
- Faulty Multifunction Intake Air Sensor
- Multifunction Intake Air Sensor harness is open or shorted
- Multifunction Intake Air Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P227B 2016 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 P227B 2016 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 P227B 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P227B 2016 Chevrolet Silverado Code
1. What does the OBDII code P227B mean on a 2016 Chevrolet Silverado?
P227B indicates that the Barometric Pressure Sensor 2 is not performing within the expected range, which could affect the engine's air-fuel mixture and overall performance.
2. What are the common symptoms of code P227B in a 2016 Chevrolet Silverado?
Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting the engine, or the Check Engine Light being illuminated.
3. What causes the P227B code to appear on a 2016 Chevrolet Silverado?
Possible causes include a faulty barometric pressure sensor, wiring issues, connector problems, or a failed Engine Control Module (ECM).
4. Can a dirty air filter cause the P227B code on a Chevrolet Silverado?
A dirty air filter is unlikely to directly cause this code, but it can contribute to sensor issues if airflow to the sensor is affected.
5. How do you diagnose the P227B code on a 2016 Chevrolet Silverado?
Diagnosis involves checking the barometric pressure sensor’s readings with a scan tool, inspecting wiring and connectors, and comparing the sensor's output to known good values.
6. Can I still drive my 2016 Chevrolet Silverado with the P227B code?
While the vehicle may still be drivable, it’s best to address the issue promptly to avoid reduced performance or potential damage to other components.
7. How can I fix the P227B code on my 2016 Chevrolet Silverado?
Fixes may include replacing the faulty barometric pressure sensor, repairing damaged wiring or connectors, or updating/replacing the Engine Control Module (ECM).
8. How much does it cost to repair the P227B code on a 2016 Chevrolet Silverado?
Repair costs vary but typically range from $100 to $300, depending on whether the sensor, wiring, or ECM needs repair or replacement.
9. Where is the Barometric Pressure Sensor 2 located on a 2016 Chevrolet Silverado?
The exact location of Barometric Pressure Sensor 2 can vary, but it is often integrated into the intake manifold or mounted near the ECM. Refer to the service manual for precise details.
10. Can a software update fix the P227B code on a 2016 Chevrolet Silverado?
In some cases, a software update for the ECM may resolve calibration issues causing the P227B code. Consult a dealership or qualified technician to determine if this applies.
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