Exhaust Heat Exchanger Bypass Valve A Control Performance
Exhaust Heat Exchanger Bypass Valve A Control Performance: the component is electrically intact but its response does not match the command.
Affected components
- Exhaust bypass valve a
- Exhaust bypass position sensor a
Common causes
- High likelihood: Flap stuck due to soot or carbon deposits
- Medium likelihood: Actuator gearing worn or slipping
- Low likelihood: Position sensor offset against actual flap angle
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.