P227D 2016 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 2016 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 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 greater than 115 kPa (16.7 PSI) for greater than 5 s.
What are the Possible Causes of the DTC P227D 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 P227D 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 P227D 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.
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Frequently Asked Questions about P227D 2016 Chevrolet Silverado Code
1. What does the OBDII code P227D mean on a 2016 Chevrolet Silverado?
P227D indicates a high voltage issue in the Barometric Pressure Sensor 2 circuit, which monitors atmospheric pressure to help optimize engine performance and emissions.
2. What are the common symptoms of code P227D in a 2016 Chevrolet Silverado?
Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting, or the Check Engine Light illuminating.
3. What causes the P227D code to appear in a Chevrolet Silverado?
Common causes include a faulty Barometric Pressure Sensor, damaged wiring or connectors in the sensor circuit, or an issue with the ECM (Engine Control Module).
4. Can I drive my 2016 Chevrolet Silverado with a P227D code?
While the truck may still be drivable, it's not recommended as it could lead to reduced performance, increased emissions, and potential long-term engine damage.
5. How is the P227D code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the wiring and connectors for damage, test the Barometric Pressure Sensor, and check for proper voltage and ground signals.
6. How do I fix the P227D code on my 2016 Chevrolet Silverado?
Repairs may involve replacing the Barometric Pressure Sensor, repairing or replacing damaged wiring or connectors, or reprogramming the ECM if necessary.
7. How much does it cost to fix the P227D code in a Chevrolet Silverado?
The cost can vary, but replacing the Barometric Pressure Sensor typically ranges from $100 to $300, depending on parts and labor.
8. Can a dirty air filter cause the P227D code?
No, a dirty air filter is unlikely to cause this specific code, as it pertains to the Barometric Pressure Sensor and not airflow restrictions.
9. Will clearing the P227D code with a scan tool fix the issue?
Clearing the code may temporarily turn off the Check Engine Light, but the underlying issue must be resolved to prevent the code from returning.
10. Is the Barometric Pressure Sensor the same as the MAP sensor?
No, while both measure pressure, the Barometric Pressure Sensor monitors atmospheric pressure, whereas the MAP sensor measures pressure inside the intake manifold.
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