C0304
Outlet Valve Front Right Performance
The front right outlet solenoid valve does not respond hydraulically as expected.
The front right outlet solenoid valve does not respond hydraulically as expected.
Common causes
- high
Valve stuck
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-1760
- medium
Coil resistance drift
A plausible cause — test and verify before replacing parts.
Typical part cost: $440-1760
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0304 mean?
C0304 means "Outlet Valve Front Right Performance". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0304?
valve stuck; coil resistance drift — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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