AutoCodesJeep – P2227 Jeep

P2227 Jeep 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 Jeep 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 854
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 20, 2021
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Code P2227 Jeep 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 Jeep - Barometric Pressure Sensor 'A' Circuit Range/Performance - AutoCodes.com
P2227 Jeep Code - Barometric Pressure Sensor 'A' Circuit Range/Performance

What are the Possible Causes of the DTC P2227 Jeep?

  • 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 Jeep?

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 Jeep 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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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 Jeep Code

1. What does OBDII code P2227 mean on a Jeep?

P2227 indicates an issue with the Barometric Pressure Sensor 'A' Circuit, specifically that the sensor’s range or performance is outside of expected parameters.

2. What are the common symptoms of code P2227 on a Jeep?

Symptoms may include poor engine performance, reduced fuel efficiency, hesitation during acceleration, stalling, or the Check Engine Light being illuminated.

3. What causes code P2227 on a Jeep?

Common causes include a faulty barometric pressure sensor, wiring or connector issues, a vacuum leak, or a malfunctioning PCM (Powertrain Control Module).

4. How is code P2227 diagnosed on a Jeep?

A mechanic will inspect the barometric pressure sensor, test the wiring and connectors for damage, check for vacuum leaks, and compare sensor readings to atmospheric pressure.

5. Can I drive my Jeep with a P2227 code?

While the vehicle may still be drivable, it’s not recommended as it can lead to reduced performance, poor fuel economy, and potential damage to other components.

6. How do I fix code P2227 on my Jeep?

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

7. Where is the barometric pressure sensor located on a Jeep?

The sensor is typically integrated into the PCM or mounted near the intake manifold, but the exact location can vary by model.

8. How much does it cost to fix code P2227 on a Jeep?

The repair cost depends on the issue but typically ranges from $150 to $400, including parts and labor.

9. Can a dirty air filter cause code P2227 on a Jeep?

While unlikely, a severely clogged air filter could contribute to airflow issues, which might indirectly affect sensor readings and trigger the code.

10. Will disconnecting the battery clear a P2227 code on my Jeep?

Disconnecting the battery may temporarily clear the code, but if the underlying issue isn’t fixed, the code will likely return.

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