P227D 2015 Chevrolet Silverado Code - Barometric Pressure Sensor 2 Circuit High Voltage
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
- P227D 2015 Chevrolet Silverado indicates Barometric Pressure Sensor 2 Circuit High Voltage.
- 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 P227D 2015 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 greater than 115 kPa (16.7 PSI) for greater than 5 s.
What are the Possible Causes of the DTC P227D 2015 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 P227D 2015 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 P227D 2015 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.
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Frequently Asked Questions about P227D 2015 Chevrolet Silverado Code
1. What does code P227D mean on a 2015 Chevrolet Silverado?
Code P227D indicates a "Barometric Pressure Sensor 2 Circuit High Voltage" issue, meaning the sensor is reporting a voltage higher than the expected range.
2. What are the symptoms of a P227D code in a 2015 Chevy Silverado?
Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, potential stalling, and an illuminated check engine light.
3. What causes a P227D code to appear?
Possible causes include a faulty barometric pressure sensor, damaged wiring or connectors, a malfunctioning PCM (Powertrain Control Module), or a short circuit in the sensor circuit.
4. How do I diagnose a P227D code on my Silverado?
Start by inspecting the wiring and connectors near the barometric pressure sensor for damage or corrosion. Use a multimeter to test the sensor's voltage and compare it to manufacturer specifications.
5. Can a dirty air filter trigger a P227D code?
While unlikely, a severely clogged air filter can cause poor airflow, which might indirectly affect barometric pressure readings. It’s best to inspect and replace the air filter if necessary.
6. Is it safe to drive with a P227D code on my 2015 Silverado?
Driving is possible but not recommended, as the engine may run inefficiently and could suffer long-term damage. Address the issue promptly.
7. How do I fix a P227D code on my Chevy Silverado?
Repairs may include replacing the barometric pressure sensor, repairing or replacing damaged wiring or connectors, or reprogramming the PCM if necessary.
8. Where is the barometric pressure sensor located on a 2015 Silverado?
The barometric pressure sensor is typically integrated into the PCM or mounted near the intake manifold. Consult your owner’s manual or repair guide for the exact location.
9. How much does it cost to fix a P227D code?
Repair costs vary. Replacing the barometric pressure sensor typically costs $100–$300, including parts and labor. Wiring repairs or PCM reprogramming may cost more.
10. Can I reset the P227D code without fixing the problem?
While you can clear the code with an OBDII scanner, it will likely return if the underlying issue isn’t resolved. Proper diagnosis and repair are necessary.
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