P2230 low

Barometric Pressure Sensor A Circuit Intermittent

The P2230 code means the vehicle's onboard diagnostic system has detected: Barometric Pressure Sensor A Circuit Intermittent. This is a low severity code.

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Keep driving?: Yes, but fix soon
DIY difficulty: moderate
Estimated cost: $30 - $250 (parts and labor)

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Common Symptoms

Intermittent Check Engine Light
Occasional performance fluctuations
Sporadic fuel economy changes
Intermittent rough idle
Random hesitation

Probable Causes (Ranked by Likelihood)

Loose connector at the BARO sensor A Very High
Partially broken wire in the sensor circuit High
Corroded connector pins Moderate
Sensor with intermittent internal failure Moderate
Vibration-related connection loss Low

Step-by-Step Diagnostic Procedure

Wiggle test the BARO sensor A connector while monitoring live data
Inspect wiring harness for chafing or partial breaks
Clean connector pins and apply dielectric grease
Monitor sensor readings during various driving conditions
Replace the sensor if all wiring checks pass

Frequently Asked Questions

Why does P2230 appear intermittently?

Intermittent barometric sensor codes are usually caused by loose connections, corroded pins, or damaged wires that only fail under certain vibration or temperature conditions.

Can I just clear the code and see if it comes back?

You can clear it, but without fixing the underlying issue, it will likely return. It is better to inspect the wiring and connections first.

Is dielectric grease a permanent fix?

Dielectric grease protects against moisture and corrosion but is not a fix for a damaged pin or broken wire. It is best used as a preventive measure after proper repairs.