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