P3407
Cylinder 1 Exhaust Valve Control Circuit Low
P3407 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Exhaust Valve Control Circuit Low. Common causes: open or short circuit in control circuit, solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
- Possible misfires
Causes
- Open or short circuit in control circuit
- Solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit malfunction
- Poor contact in connectors
How to Fix
- Check the integrity of the control circuit
- Check the resistance of the solenoid valve
- Inspect the wiring harness for damage
- Check contacts in connectors
- If necessary, replace the faulty valve
Related codes
Error P3407 by Vehicle Brand
FAQ
What does the P3407 code mean?
P3407 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Exhaust Valve Control Circuit Low
What causes a P3407 error code?
The most common causes of P3407 include: Open or short circuit in control circuit; Solenoid valve malfunction; Wiring Harness Problems; Engine control unit malfunction.
How do I fix a P3407 diagnostic trouble code?
To fix P3407: Check the integrity of the control circuit. Check the resistance of the solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3407?
Yes, but get it checked soon
How much does it cost to fix P3407?
The estimated repair cost for P3407 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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