P3405
Cylinder 1 Exhaust Valve Control Circuit/Open
P3405 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Exhaust Valve Control Circuit/Open. Common causes: broken wires in the control circuit, solenoid valve malfunction. Estimated repair cost: $17–67.
Symptoms
- Loss of engine power
- Unstable idling
- Increased fuel consumption
- Check Engine Light Illuminates
- Possible misfire in cylinder 1
Causes
- Broken wires in the control circuit
- Solenoid valve malfunction
- Poor contact in the connector
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the control circuit
- Measure the resistance of the solenoid valve
- Inspect connectors for oxidation
- If necessary, replace the solenoid valve
- Check the operation of the engine control unit
Related codes
Error P3405 by Vehicle Brand
FAQ
What does the P3405 code mean?
P3405 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Exhaust Valve Control Circuit/Open
What causes a P3405 error code?
The most common causes of P3405 include: Broken wires in the control circuit; Solenoid valve malfunction; Poor contact in the connector; Wiring harness damage.
How do I fix a P3405 diagnostic trouble code?
To fix P3405: Check the integrity of the control circuit. Measure the resistance of the solenoid valve. Inspect connectors for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3405?
Limited driving only, diagnose soon
How much does it cost to fix P3405?
The estimated repair cost for P3405 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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