What does code P0476 mean?
The exhaust pressure control valve is operating outside its expected range or performance limits.
OBD-II Code
P0476 — Exhaust Pressure Control Valve Range/Performance
The exhaust pressure control valve is operating outside its expected range or performance limits.
Common symptoms
- Incorrect boost pressure
- protection mode activation
Possible causes
- Carbon buildup
- internal valve wear
Initial recommendation
Clean exhaust pressure control valve and verify PCM control strategy and feedback.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0476 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more codes