Barometric Pressure Circuit Low
Voltage from the barometric pressure sensor is below the calibrated minimum. The signal is too low for any plausible atmospheric pressure, suggesting a short to ground or sensor fault.
Affected components
- Barometric pressure sensor
- Bps wiring
Common causes
- High likelihood: Signal wire shorted to ground
- Medium likelihood: Internal sensor fault
- Low likelihood: Connector pins corroded - high contact resistance
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.