P3404
Cylinder 1 Deactivation/Intake Valve Control Circuit High
P3404 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Deactivation/Intake Valve Control Circuit High. Common causes: intake valve control solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.
Symptoms
- Loss of engine power
- Increased fuel consumption
- Engine vibration at idle
- Check Engine Light Is On
- Unstable engine operation
Causes
- Intake valve control solenoid valve malfunction
- Open or short circuit in control circuit
- Poor contact in wiring connectors
- Engine control unit malfunction
- Mechanical problem with variable valve timing system
How to Fix
- Check the condition of the intake valve control solenoid valve
- Check the control circuit for open and short circuit
- Inspect connectors and contacts for corrosion or damage
- If necessary, replace the solenoid valve or wiring
- Check the functionality of the engine control unit
Related codes
Error P3404 by Vehicle Brand
FAQ
What does the P3404 code mean?
P3404 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Deactivation/Intake Valve Control Circuit High
What causes a P3404 error code?
The most common causes of P3404 include: Intake valve control solenoid valve malfunction; Open or short circuit in control circuit; Poor contact in wiring connectors; Engine control unit malfunction.
How do I fix a P3404 diagnostic trouble code?
To fix P3404: Check the condition of the intake valve control solenoid valve. Check the control circuit for open and short circuit. Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3404?
Yes, but get it checked soon
How much does it cost to fix P3404?
The estimated repair cost for P3404 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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