Exhaust Pressure Sensor A Circuit
A general electrical fault on exhaust pressure sensor A — used to monitor backpressure across the DPF or to control variable-geometry turbo.
Affected components
- Exhaust 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.