Code result
P2231
Barometric Pressure Circuit High
High severity
What it means
The barometric pressure sensor reports a voltage above the upper limit. The signal cannot represent any realistic atmospheric pressure, indicating an open circuit or short to supply voltage.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Signal shorted to supply voltage
highOne of the most commonly reported causes for this code — check this first.
Open in signal or ground wire
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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