Wastegate Position Sensor B Circuit
The ECM detects a generic fault on the wastegate position sensor B circuit. Boost actuator position cannot be verified reliably.
Affected components
- Wastegate position sensor b
- Wiring harness
- Ecm
Common causes
- High likelihood: Position sensor failed
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
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.