P3403
Cylinder 1 Deactivation/Intake Valve Control Circuit Low
P3403 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Deactivation/Intake Valve Control Circuit Low. Common causes: open or short circuit in valve control circuit, vvt solenoid valve malfunction. Estimated repair cost: $17–67.
Symptoms
- Check engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- The engine goes into emergency mode
Causes
- Open or short circuit in valve control circuit
- VVT solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit (ECU) malfunction
- Poor contact in control circuit connectors
How to Fix
- Check valve control circuit integrity
- Check the condition of connectors and contacts
- Test VVT solenoid valve
- Check power and ground circuit
- If necessary, replace the faulty valve or wiring harness.
Related codes
Error P3403 by Vehicle Brand
FAQ
What does the P3403 code mean?
P3403 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Deactivation/Intake Valve Control Circuit Low
What causes a P3403 error code?
The most common causes of P3403 include: Open or short circuit in valve control circuit; VVT solenoid valve malfunction; Wiring Harness Problems; Engine control unit (ECU) malfunction.
How do I fix a P3403 diagnostic trouble code?
To fix P3403: Check valve control circuit integrity. Check the condition of connectors and contacts. Test VVT solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3403?
Yes, but get it checked soon
How much does it cost to fix P3403?
The estimated repair cost for P3403 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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