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P222F Powertrain

Barometric Pressure Sensor A/B Correlation

Barometric pressure sensors A and B disagree by more than the allowed tolerance. Used for redundancy on hybrid and emission-critical systems.

Affected components

  • Barometric pressure sensor

Common causes

  • High likelihood: One sensor drifts

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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