Exhaust Pressure Control Valve A Low
Exhaust pressure control valve A drive line stuck low — short to ground.
Affected components
- Exhaust pressure regulator
Common causes
- High likelihood: Short to ground
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.