P2228 OBD-II Trouble Code: Barometric Pressure Circuit Low

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Cost of diagnosing the P2228 code

P2228 is a diagnostic trouble code (DTC) for "Barometric Pressure Circuit Low". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $70.00. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $30.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$70.00$30.00
Toyota$70.00$30.00
BMW$70.00$30.00
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check engine light

P2228 code definition

Barometric pressure circuit low

What the P2228 code means

This trouble code indicates that the powertrain control module has detected a low reference voltage from the barometric pressure sensor.

What are the causes of the P2228 code?

Some of the potential causes of this trouble code would include:

What are the symptoms of the P2228 code?

Symptoms of this trouble code that the driver could potentially experience would include:

How does a mechanic diagnose the P2228 code?

A mechanic may begin diagnosing this trouble code by first locating the barometric pressure sensor, the mass airflow sensor, and the throttle position sensor. Once the sensors have been located, the mechanic would then check the wiring and connectors for any obvious damage. Then the mechanic would test all of these sensors using the manufacturer's suggested procedures. If any codes related to the catalyst system or oxygen sensors were also stored, the mechanic would check for a clogged catalytic converter. If the cause of the issue is still not found after all of these tests are performed, the mechanic will then test the powertrain control module using the manufacturer's suggested procedure and relay all information over to the customer.

Common mistakes when diagnosing the P2228 code

A common mistake that could be made when diagnosing this trouble code would be to replace the barometric pressure sensor without testing it first. Many times just because the code mentions a specific part a person may be led to believe that part is faulty. It is oftentimes the exact opposite.

How serious is the P2228 code?

This code is considered serious as it can cause driveability issues. Any trouble codes stored that can cause the engine to run poorly should be diagnosed and repaired as soon as possible in order to prevent further engine damage. It is also best to have the repairs performed by certified professional to ensure proper function of the engine afterwards.

What repairs can fix the P2228 code?

Repairs that can potentially fix this trouble code would include:

Additional comments regarding the P2228 code

It is not a good idea to drive on long trips with this code stored in your powertrain control module. These are the types of codes that can potentially lead to breakdowns and leave people stranded on the side of the road. As stated it is best to get something like this diagnosed and repaired as soon as possible in order to prevent further vehicle damage and the possibility of getting stranded.

Need help with a P2228 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
Check Engine Light
P2228

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2012 BUICK VERANO - CHECK ENGINE LIGHT IS ON - SAN ANTONIO, TEXAS

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1999 DODGE CARAVAN - CHECK ENGINE LIGHT IS ON - SAN JOSE, CALIFORNIA

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