Exhaust Pressure Control Valve A Intermittent
Exhaust pressure control valve A drive signal is unstable.
Affected components
- Exhaust pressure regulator
Common causes
- High likelihood: Intermittent connector
- Low likelihood: Connector with intermittent contact under vibration
- Low likelihood: Harness routed against vibrating component
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.