P2228 Acura Code - Barometric Pressure Sensor Circuit Low Voltage
Quick Answer
The Barometric pressure (BARO) sensor is built into the Powertrain Control Module (PCM) and monitors atmospheric pressure. Common causes include Powertrain Control Module (PCM) outdated or incorrect software, Faulty Powertrain Control Module (PCM). 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
- P2228 Acura indicates Barometric Pressure Sensor Circuit Low Voltage.
- Common causes
- Common causes include Powertrain Control Module (PCM) outdated or incorrect software, Faulty Powertrain Control Module (PCM).
- 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 P2228 Acura Description
What are the Possible Causes of the DTC P2228 Acura?
- Powertrain Control Module (PCM) outdated or incorrect software
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P2228 Acura?
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 P2228 Acura 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 P2228 Acura Code
1. What does the OBDII code P2228 mean on an Acura?
P2228 indicates that the Barometric Pressure (BARO) Sensor Circuit is experiencing low voltage, which can affect the engine's air-fuel mixture and performance.
2. What are the common symptoms of code P2228 in an Acura?
Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, difficulty starting the vehicle, and an illuminated check engine light.
3. What causes the P2228 code to appear on an Acura?
Potential causes include a faulty barometric pressure sensor, damaged wiring or connections, a malfunctioning powertrain control module (PCM), or a sensor that is out of calibration.
4. How is a P2228 code diagnosed?
A technician will inspect the barometric pressure sensor, check for damaged wiring or corroded connectors, and compare sensor readings to atmospheric pressure using a diagnostic scan tool.
5. Can a dirty air filter cause the P2228 code on an Acura?
No, a dirty air filter does not directly cause the P2228 code. However, it can lead to other performance issues, so it’s always good to check and replace it if necessary.
6. Is it safe to drive with a P2228 code on an Acura?
While the vehicle may still be drivable, ignoring this code can lead to poor engine performance and potential long-term damage. It’s best to address the issue promptly.
7. How do you fix the P2228 code on an Acura?
Repairs may involve replacing the barometric pressure sensor, repairing or replacing damaged wiring or connectors, or reprogramming/updating the PCM if necessary.
8. Can a P2228 code be caused by weather or altitude changes?
Extreme weather or rapid altitude changes can temporarily affect the barometric pressure sensor, but the sensor should adjust accordingly. If the code persists, the sensor or circuit may be faulty.
9. How much does it cost to repair the P2228 code on an Acura?
Repair costs can vary but typically range from $100 to $400, depending on whether the sensor needs replacement or if there are wiring issues.
10. Can I clear the P2228 code without fixing the problem?
You can clear the code using an OBDII scanner, but it will likely return if the underlying issue isn’t resolved.
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