P2229 2018 GMC Sierra 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 GMC Sierra 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 GMC Sierra Description
What are the Possible Causes of the DTC P2229 2018 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 P2229 2018 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 P2229 2018 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.
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Frequently Asked Questions about P2229 2018 GMC Sierra Code
1. What are common symptoms of OBDII code P2229 in a 2018 GMC Sierra?
The common symptoms of OBDII code P2229 (Barometric Pressure Sensor Circuit High Voltage) in a 2018 GMC Sierra may include poor engine performance, reduced fuel efficiency, and possibly an illuminated check engine light.
2. What can cause the OBDII code P2229 in a 2018 GMC Sierra?
The OBDII code P2229 in a 2018 GMC Sierra is typically caused by a malfunctioning barometric pressure sensor, wiring issues in the sensor circuit, or a faulty engine control module (ECM).
3. How is the barometric pressure sensor related to OBDII code P2229 in a 2018 GMC Sierra?
The barometric pressure sensor is responsible for measuring the atmospheric pressure, which is crucial for the proper operation of the engine. If this sensor malfunctions or reports high voltage, it can trigger the OBDII code P2229.
4. Can a dirty air filter trigger OBDII code P2229 in a 2018 GMC Sierra?
Yes, a dirty air filter can indirectly affect the barometric pressure sensor readings by altering the airflow to the engine. This can potentially lead to the generation of the OBDII code P2229 due to incorrect pressure readings.
5. How can I diagnose and repair OBDII code P2229 in my 2018 GMC Sierra?
Diagnosing and repairing OBDII code P2229 may involve checking the barometric pressure sensor and its wiring for any faults, testing the sensor's voltage output, and inspecting the ECM for issues. Repairing may involve replacing the sensor, repairing wiring faults, or reprogramming the ECM.
6. Is it safe to continue driving with OBDII code P2229 illuminated in my 2018 GMC Sierra?
While the vehicle may still be operable with the OBDII code P2229 present, it is recommended to address the issue promptly to prevent any potential engine performance issues, reduced fuel efficiency, or further damage to components.
7. Can resetting the OBDII code P2229 in a 2018 GMC Sierra make it disappear permanently?
Resetting the OBDII code P2229 may temporarily turn off the check engine light, but if the underlying issue causing the fault code is not addressed, the code is likely to reappear after some driving cycles.
8. Is it possible to prevent OBDII code P2229 from occurring in a 2018 GMC Sierra?
Regular maintenance, such as checking and replacing the air filter as needed, can help prevent issues that may trigger the OBDII code P2229. Additionally, timely diagnosis and repair of any related sensor or wiring problems can help prevent the code from appearing.
9. Can extreme weather conditions trigger OBDII code P2229 in a 2018 GMC Sierra?
Extreme weather conditions, especially drastic changes in barometric pressure, can potentially affect the barometric pressure sensor readings and lead to the triggering of OBDII code P2229 in a 2018 GMC Sierra.
10. How long does it typically take to repair OBDII code P2229 in a 2018 GMC Sierra?
The time taken to repair OBDII code P2229 in a 2018 GMC Sierra can vary depending on the exact cause of the issue. Simple repairs such as sensor replacement may take a short time, while more complex issues involving wiring or ECM may require more extensive troubleshooting and repair.
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