Code result

P227A

Barometric Pressure Sensor C Circuit

High severity

What it means

A general electrical fault on barometric pressure sensor C — open, shorted, or out of plausibility. The sensor measures atmospheric pressure for altitude compensation; sensor C is a redundant or secondary unit.

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

  • Sensor failed

    high

    One of the most commonly reported causes for this code — check this first.

Get the full diagnosis

Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.

Diagnose P227A free

No credit card required