Exhaust Pressure Control Valve B High
Same as P049F with the control line shorted to supply.
Affected components
- Exhaust pressure valve b
Common causes
- High likelihood: Control line shorted to supply
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.