What Does P2227 Code Means on Chevy Cruze and How to Fix it?
There’s a chance you’ll freak out when you see the “check engine” light, but why does it come on in the first place? There’s a chance that your internal parts aren’t working right, which is shown by the error codes.
The code P2227 is an error code that indicates a malfunction in Barometric (BARO) Sensor performance.
After getting the code, you may be asking what steps to take to resolve the issue. Relax! Getting rid of the p2227 error code is simple, and I’ll explain how to do so in this article.

What Does P2227 Code Mean On Chevy Cruze?
When the Barometric (BARO) Sensor fails to function as expected, the vehicle displays the DTC P2227 on the dashboard. A malfunction in the Barometer Sensor, Mass Airflow (MAF) sensor, or both will trigger this error message.
When the Powertrain Control Module (PCM) receives data from the Barometric Pressure Sensor that is inconsistent with the present engine load and throttle position, or when its data does not correspond with that of the MAP (Manifold Absolute Pressure) sensor, an error code is stored in the memory.
If the sensor’s input value deviates from the predicted value for more than four seconds in most applications, the PCM will set code P2227 and turn on the warning light. The reference voltage is typically 5V.
A Barometric Pressure Sensor measures changes in atmospheric pressure caused by weather or altitude.
The Barometric Pressure Sensor works in tandem with the MAP (Manifold Absolute Pressure) sensor to provide input data that the PCM uses to determine optimal fuel delivery and ignition timing methods, allowing the engine to operate at peak efficiency at any altitude.
Here is what the Code p2227 means-
- p- powertrain
- 2- the code is a standardized (SAE) code; also known as generic code.
- 2- Fuel and air metering (injector circuit)
- 27- This number defines the exact problem that you’re dealing with. Here it is Barometric Pressure Circuit Range/Performance.
How Does A MAP Sensor Differ From A Barometric Pressure Sensor?
In contrast to the Barometric Pressure BARO sensor, which measures ambient pressure, the Manifold Absolute Pressure (MAP) sensor monitors pressure within the engine’s intake manifold. Both the MAP and BARO sensors are typically integrated into one unit in modern automobiles.
The MAP sensor instantly reports manifold pressure data to the engine’s ECU. Using the information, air density is calculated, and the air mass flow rate of the engine is determined; this, in turn, defines the amount of fuel that must be delivered for optimal combustion.
When the barometric pressure sensor receives a reading, the PCM uses that information to fine-tune the engine’s fuel and ignition timing.
How Serious Is Code p2227 On Chevy Cruze?
The severity of this code predicted to be moderate to high. The engine control module (ECM) will not be able to maintain an optimal air-fuel ratio, therefore this is a rather major issue. The engine will not last as long and harmful emissions will be released into the atmosphere if the air-to-fuel ratio is off.
If there is a problem with your car that is causing it to run poorly or could cause serious damage, you should not drive it.
What Causes Code P2227 On Chevy Cruze?
The P2227 code can appear on your dashboard without warning, causing you to wonder what caused it. Chevrolet Cruze P2227 codes can be brought on by a variety of issues.
The most potential causes of this code is given below-
- Faulty BAP (Barometric Air pressure) sensor
- Malfunctioning electrical connector
- There can be inoperative wiring
- problems related to the electrical short.
- The electrical connection might be loose
- Defective throttle position sensor
- The heat might cause damage
- Defective IAT (Intake Air Temperature) sensor
- Mechanical malfunction may cause altered BAP readings
- Imperfect engine control module
What are the Symptoms Of Getting a P2227 Code On Chevy Cruze?
In the event that the trouble code P2227 is displayed on your Chevrolet Cruze, the vehicle will exhibit a number of symptoms that point to the presence of an issue.
The symptoms are typically of such a mild nature that you might not even notice them all at once most of the time. You might, however, observe the following symptoms of this code in some circumstances:
- Check engine light ( most common symptom)
- There might be lack of engine power and performance
- Engine failure
- Unusual engine noises
- Smell of fuel
- sluggish acceleration
- Drop in the fuel economy
- Lack of power
- Decreased throttle responsiveness.
How To Fix The P2227 Code On The Chevy Cruze?
To properly diagnose error code P2227, the engine must be in top running condition, with no exhaust leaks, misfires, or vacuum leaks present. Misdiagnosis, wasted time, and wasteful replacement of parts and components are nearly guaranteed if no effort is made to explore and resolve any codes that precede P2227.
Step 1
Document any error messages and any relevant freeze frame data. Before moving on to next steps, make sure that all codes up to and including P2227 have been fixed.
Step 2
If no other codes are present, or if the codes that came before P2227 have been fixed but P2227 still appears, look in the application’s handbook for information on where to find the Barometric Pressure Sensor and how to determine the connectors and wiring it uses. Some Barometric Pressure Sensors are integrated into other sensors, so it’s important to know their intended purpose and how they’re color-coded to avoid accidentally testing the wrong component.
Step 3
Please check the air filter element and replace it if it is dusty, clogged, broken, or damaged. Also, make sure there are no obstructions or damage in the inlet duct that could prevent adequate ventilation. It’s time to fix things up or replace those broken pieces.
Step 4
If the error code remains, check the integrity of all cables and plugs. Check the wiring and connectors to see if anything is broken or rusty. Get the wiring fixed or replaced if it breaks. Once the problem has been fixed, all error codes should be cleared and the vehicle driven for at least one full cycle before a new scan is performed.
Step 5
If the code is still present but there is no visible damage to the wiring or connections, check the resistance, voltage level, continuity, and ground integrity of the entire system. In order to guarantee that all electrical values are within the manufacturer’s ranges, it is necessary to compare all readings to the values listed in the manual and repair or replace wiring as necessary. For the sake of your controller, disconnect the barometer sensor’s circuit from the PCM.
When the repairs are finished, clear the codes and drive the vehicle for at least one full cycle before scanning it again to check if the problem persists.
Step 6
Code might persist without a clear cause. In such a case, the heated element of the MAF sensor must be removed and cleaned. After the MAF sensor has been cleaned and any necessary repairs have been made, it should be replaced, the codes should be cleared, and the vehicle should be driven for at least one full drive cycle before being scanned again to check whether the code returns.
If the problem remains after checking the MAF sensor, you should check the PCM as well, but since PCM failure is extremely uncommon, you should replace the MAF sensor first. If a new MAF sensor doesn’t fix the problem, it can be an intermittent electrical problem. It can be difficult and time-consuming to locate these types of problems, and in some circumstances, the problem may need to develop significantly before a correct diagnosis can be made and a permanent remedy completed.
Replace or Repair These Parts To Fix Code P2227
- Manifold Absolute Pressure Sensor
- Barometric Air Pressure Sensor
- ECM, BARO, TPS, and MAF wiring and connections are repaired or replaced if they are damaged.
How Much Does It Cost To Fix The Chevy Cruze P2227 Code?
Just about anything can trigger error code P2227. Without first correctly diagnosing the problem, it is impossible to provide an accurate estimate.
For an inspectionautomobile in, the average diagnostic time is one hour. The price range is from $75 to $150.
If your Chevrolet Cruze displays the p2227 code, the following is a rough estimate of the cost to replace the relevant components:
- MAP sensor replacement: $92 and $116
- Barometric Air Pressure Sensor replacement: $92 and $116
- Engine Control Module replacement: $437 and $462
- Electronic Control Unit replacement: $264 and $273
- Powertrain Control Module: $437 and $462
Can You Drive Your Chevy Cruze With Code P2227?
Stop driving immediately if the “check engine” warning light on your Chevy Cruze comes on. As soon as the check engine light illuminates, you are putting yourself and your engine at risk.
Once you have pulled over, you can use an OBD II scan tool to figure out what’s wrong with your car. The barometric pressure sensor has reported an error, as shown by the presence of code P2227.
This indicates that your vehicle’s electronic control unit (ECU) has lost connection with the corresponding sensor, which could result in poor engine performance due to inaccurate information about atmospheric pressure.
Conclusion
If you get the message “error code P2227,” don’t panic. You can recognize these problems by their causes and symptoms, which I’ve outlined. The problem can be fixed by following the provided repair steps.
If you are still unable to diagnose the problem with your Chevy Cruze, I advise you to take it in for repairs as soon as possible to avoid further damage.