AutoCodes – RAM – P2227 RAM

P2227 RAM 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 RAM 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 915

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 May 20, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2227 RAM 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 RAM - Barometric Pressure Sensor 'A' Circuit Range/Performance - AutoCodes.com — P2227 RAM Code - Barometric Pressure Sensor 'A' Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2227 RAM?

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 RAM?

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 RAM 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 RAM Code

1. What does the OBDII code P2227 mean for a RAM vehicle?

P2227 indicates a problem with the Barometric Pressure Sensor 'A' Circuit, specifically an issue with its range or performance.

2. What are the common symptoms of code P2227 in a RAM?

Symptoms may include poor engine performance, reduced fuel efficiency, rough idling, stalling, or the check engine light turning on.

3. What causes the P2227 code to appear in a RAM?

Common causes include a faulty barometric pressure sensor, damaged wiring or connectors, a vacuum leak, or a malfunctioning powertrain control module (PCM).

4. Can a dirty air filter trigger the P2227 code?

While unlikely, a severely clogged air filter could indirectly affect air pressure readings and contribute to performance issues, which might be misinterpreted by the system.

5. How can I diagnose the P2227 code in my RAM?

Use an OBDII scanner to confirm the code, inspect the barometric pressure sensor and its wiring for damage, and compare the sensorâ€™s readings to known good values.

6. Can I drive my RAM with the P2227 code active?

Itâ€™s possible to drive, but itâ€™s not recommended. The vehicle may experience reduced performance, and ignoring the issue could lead to further engine damage.

7. How do I fix the P2227 code on a RAM?

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

8. Does resetting the PCM clear the P2227 code permanently?

Resetting the PCM may temporarily clear the code, but if the underlying issue isnâ€™t fixed, the code will return.

9. How much does it cost to repair a P2227 code on a RAM?

Repair costs can vary, ranging from $100-$300 for sensor replacement or wiring repairs, with higher costs if the PCM needs replacement.

10. Can extreme weather conditions cause the P2227 code to appear?

Yes, extreme altitude or temperature changes can temporarily affect the barometric pressure sensor, but persistent issues likely indicate a fault in the system.