AutoCodes – Generic – P2226

P2226 Code - Barometric Pressure Sensor 'A' Circuit

Quick Answer

The Powertrain Control Module (PCM) continuously monitors this sensor for concerns. Common causes include Faulty Barometric Pressure (BARO) sensor, Barometric Pressure (BARO) sensor harness is open or shorted, Barometric Pressure (BARO) 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: P2226 indicates Barometric Pressure Sensor 'A' Circuit.
Common causes: Common causes include Faulty Barometric Pressure (BARO) sensor, Barometric Pressure (BARO) sensor harness is open or shorted, Barometric Pressure (BARO) 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 21,332

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2226 Description

The Powertrain Control Module (PCM) continuously monitors this sensor for concerns. The test fails when the Barometric Pressure (BARO) Parameter Identification (PID) does not correlate with the Throttle Intake Pressure (TIP) or the Manifold Absolute Pressure (MAP) PIDs at ignition ON. This DTC sets when the PCM detects an out of range condition in the control circuit.

OBDII Code P2226 - Barometric Pressure Sensor 'A' Circuit - AutoCodes.com — P2226 Code - Barometric Pressure Sensor 'A' Circuit

What does this mean?

What are the Possible Causes of the DTC P2226?

Faulty Barometric Pressure (BARO) sensor
Barometric Pressure (BARO) sensor harness is open or shorted
Barometric Pressure (BARO) sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P2226?

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 P2226 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.

Need more information about the P2226 code?

Need more information on how to fix the P2226 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2226 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2226 Acura — Barometric Pressure Sensor Circuit Malfunction
P2226 BMW — Barometric Pressure Sensor 'A' Circuit
P2226 Dodge — Barometric Pressure Sensor 'A' Circuit
P2226 Honda — Barometric Pressure Sensor Circuit Malfunction

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2226 Code

1. What are common symptoms of OBDII code P2226 (Barometric Pressure Sensor 'A' Circuit)?

- Common symptoms include poor engine performance, rough idling, reduced fuel efficiency, and illuminated Check Engine Light.

2. What causes OBDII code P2226 to trigger?

- This code is typically triggered by a faulty barometric pressure sensor, damaged wiring or connectors, or issues with the engine control module (ECM).

3. How serious is OBDII code P2226?

- While the code itself may not cause immediate harm, it can lead to poor engine performance and potentially affect fuel efficiency over time if left unresolved.

4. How do I diagnose the cause of OBDII code P2226?

- Diagnosing this code involves using a scan tool to read the code, testing the barometric pressure sensor, inspecting wiring and connectors, and checking the ECM for faults.

5. Can I drive with OBDII code P2226?

- It is generally not recommended to drive with this code present, as it can affect engine performance and fuel efficiency. It's best to address the issue promptly.

6. How can I repair OBDII code P2226?

- Repair options include replacing the barometric pressure sensor, repairing or replacing damaged wiring or connectors, and resetting the ECM after addressing the issue.

7. Can a DIY enthusiast fix OBDII code P2226?

- Depending on your skill level and access to tools, DIY enthusiasts may be able to address this code by replacing the sensor or repairing wiring. However, professional assistance is recommended for accurate diagnosis.

8. Are there any preventive measures to avoid OBDII code P2226?

- Regular maintenance, such as checking and replacing sensors as recommended by the manufacturer, can help prevent issues that may trigger this code.

9. How long does it take to repair OBDII code P2226?

- The repair time can vary based on the exact cause of the code. Simple fixes like replacing the sensor may take less than an hour, while more complex issues could take longer.

10. Will resetting the Check Engine Light clear OBDII code P2226?

- Resetting the Check Engine Light may temporarily turn off the light, but the underlying issue causing OBDII code P2226 will remain until properly diagnosed and repaired.