P2229 2018 Chevrolet Silverado Code - Barometric Pressure Sensor Circuit High Voltage
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
- P2229 2018 Chevrolet Silverado indicates Barometric Pressure Sensor Circuit High Voltage.
- 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.
Code P2229 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P2229 2018 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 P2229 2018 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 P2229 2018 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 P2229 2018 Chevrolet Silverado Code
1. What does OBDII code P2229 mean on a 2018 Chevrolet Silverado?
P2229 indicates that the Barometric Pressure Sensor Circuit is experiencing a high voltage condition, which may affect engine performance.
2. What are the common symptoms of code P2229 in a 2018 Chevrolet Silverado?
Symptoms may include poor engine performance, reduced fuel efficiency, difficulty starting, and an illuminated Check Engine Light.
3. What causes the P2229 code in a 2018 Chevrolet Silverado?
Common causes include a faulty barometric pressure sensor, damaged wiring or connectors, or issues with the powertrain control module (PCM).
4. Can a dirty air filter trigger code P2229 in a 2018 Chevrolet Silverado?
No, a dirty air filter is unlikely to trigger this code as it is related to the barometric pressure sensor circuit, not air intake.
5. How do you diagnose the P2229 code in a 2018 Chevrolet Silverado?
Diagnosis involves using a scan tool to check for additional codes, inspecting the barometric pressure sensor and its wiring, and testing sensor voltage with a multimeter.
6. Can I drive my 2018 Chevrolet Silverado with the P2229 code?
While the vehicle may still be drivable, it is not recommended, as the code can affect engine performance and may lead to further damage.
7. How do you fix the P2229 code on a 2018 Chevrolet Silverado?
Repairs may include replacing the barometric pressure sensor, repairing damaged wiring or connectors, or updating/replacing the PCM if necessary.
8. How much does it cost to repair the P2229 code in a 2018 Chevrolet Silverado?
Repair costs can vary, but replacing the barometric pressure sensor typically ranges from $150 to $300, including parts and labor.
9. Can a bad PCM cause the P2229 code in a 2018 Chevrolet Silverado?
Yes, a malfunctioning PCM can improperly interpret sensor data and trigger the P2229 code, but this is less common than sensor or wiring issues.
10. Does the P2229 code require reprogramming the PCM in a 2018 Chevrolet Silverado?
In some cases, if the PCM is faulty or has outdated software, it may require reprogramming or replacement to resolve the issue.
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