Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Performance
The position sensor for exhaust heat exchanger bypass valve A reports a performance condition. Heat recovery routing cannot be verified reliably.
Affected components
- Exhaust heat exchanger bypass valve a pos sensor
- Wiring harness
- Ecm
Common causes
- High likelihood: Sensor offset drifted
- Medium likelihood: Linkage between sensor and valve worn
- Low likelihood: Sensor element aged beyond calibration window
Diagnostic notes
- The malfunction indicator lamp may illuminate
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.