Barometric Pressure Circuit
The ECU detects a general fault in the barometric pressure sensor circuit. The atmospheric pressure value used for altitude compensation and fuel/air calculation is not available or implausible.
Affected components
- Barometric pressure sensor
- Bps wiring
Common causes
- High likelihood: Defective barometric pressure sensor
- Medium likelihood: Wiring fault to BPS
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.