Barometric Pressure Sensor B Circuit
A general electrical fault on barometric pressure sensor B — open, shorted, or out of plausibility. The sensor measures atmospheric pressure for altitude compensation; sensor B is a redundant or secondary unit.
Affected components
- Barometric pressure sensor
Common causes
- High likelihood: Sensor failed
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
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.