P3439
Cylinder 5 Exhaust Valve Control Circuit Low
P3439 is an OBD-II diagnostic trouble code meaning: Cylinder 5 Exhaust Valve Control Circuit Low. Common causes: open or short circuit in control circuit, vvt solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Possible misfire in cylinder 5
Causes
- Open or short circuit in control circuit
- VVT solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit malfunction
- Mechanical problems with the timing system
How to Fix
- Check the integrity of the control circuit
- Check the resistance of the solenoid valve
- Inspect the wiring harness for damage
- Check the operation of the timing system
- If necessary, replace faulty components
Related codes
Error P3439 by Vehicle Brand
FAQ
What does the P3439 code mean?
P3439 is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Exhaust Valve Control Circuit Low
What causes a P3439 error code?
The most common causes of P3439 include: Open or short circuit in control circuit; VVT solenoid valve malfunction; Wiring Harness Problems; Engine control unit malfunction.
How do I fix a P3439 diagnostic trouble code?
To fix P3439: 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 P3439?
Limited driving only, diagnose soon
How much does it cost to fix P3439?
The estimated repair cost for P3439 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat