AutoCodes – Generic – P2227

P2227 Code - Barometric Pressure Sensor 'A' Circuit Range/Performance

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: P2227 indicates Barometric Pressure Sensor 'A' Circuit Range/Performance.
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.

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Code Popularity 38,974

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
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Code P2227 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 P2227 - Barometric Pressure Sensor 'A' Circuit Range/Performance - AutoCodes.com — P2227 Code - Barometric Pressure Sensor 'A' Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2227?

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 P2227?

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 P2227 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 P2227 code?

Need more information on how to fix the P2227 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2227 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2227 Acura — Barometric Pressure Sensor Range/Performance Problem
P2227 BMW — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Buick — Barometric Pressure Sensor Performance
P2227 Cadillac — Barometric Pressure Sensor Performance
P2227 Chevrolet — Barometric Pressure Sensor Performance
P2227 Chrysler — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Dodge — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Ford — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 GMC — Barometric Pressure Sensor Performance
P2227 Honda — Barometric Pressure Sensor Range/Performance Problem
P2227 Jeep — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Lincoln — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Mercury — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 RAM — Barometric Pressure Sensor 'A' Circuit Range/Performance
P2227 Saturn — Barometric Pressure Sensor Performance
P2227 Subaru — Barometric Pressure Sensor Range/Performance Problem

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 P2227 Code

1. What does OBDII code P2227 mean?

P2227 indicates a problem with the barometric pressure sensor 'A' circuit, typically due to a range or performance issue where the sensor's readings are outside expected parameters.

2. What are the symptoms of code P2227?

Common symptoms include a check engine light, poor engine performance, rough idling, reduced fuel efficiency, and possible difficulty starting the vehicle.

3. What causes code P2227?

Possible causes include a faulty barometric pressure sensor, wiring or connector issues, a vacuum leak, or a problem with the engine control module (ECM).

4. How is P2227 diagnosed?

A mechanic will inspect the barometric pressure sensor, check for wiring or connector damage, compare sensor readings to actual atmospheric pressure, and test the ECM if necessary.

5. Can I drive with code P2227?

While the car may still run, driving with P2227 can cause poor performance and increased emissions. It's best to address the issue promptly to avoid further damage.

6. How do you fix code P2227?

Repairs may involve replacing the barometric pressure sensor, repairing damaged wiring or connectors, fixing vacuum leaks, or reprogramming or replacing the ECM.

7. Where is the barometric pressure sensor located?

The barometric pressure sensor is typically located near the intake manifold or integrated into the ECM, depending on the vehicle make and model.

8. Will clearing the code fix P2227?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.

9. Can a dirty air filter cause P2227?

While unlikely, a severely clogged air filter could potentially contribute to airflow issues that may indirectly affect sensor readings. It's worth inspecting and replacing the filter if needed.

10. What tools are needed to diagnose P2227?

A diagnostic scanner, multimeter, and barometric pressure gauge are commonly used to test the sensor, wiring, and compare values against atmospheric pressure.