P3447
Cylinder 6 Exhaust Valve Control Circuit Low
P3447 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Exhaust Valve Control Circuit Low. Common causes: vvt solenoid valve malfunction, open or short circuit in wiring harness. Estimated repair cost: $17–67.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine idling
- Possible misfire in cylinder 6
Causes
- VVT solenoid valve malfunction
- Open or short circuit in wiring harness
- Poor contact in control circuit connectors
- Malfunction of the engine control unit (ECU)
- Mechanical problems in the timing system
How to Fix
- Check the resistance of the solenoid valve
- Inspect the wiring harness for damage
- Check the contacts in the control circuit connectors
- Scan the ECU for additional errors
- If necessary, replace the faulty valve or repair the wiring
Related codes
Error P3447 by Vehicle Brand
FAQ
What does the P3447 code mean?
P3447 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Exhaust Valve Control Circuit Low
What causes a P3447 error code?
The most common causes of P3447 include: VVT solenoid valve malfunction; Open or short circuit in wiring harness; Poor contact in control circuit connectors; Malfunction of the engine control unit (ECU).
How do I fix a P3447 diagnostic trouble code?
To fix P3447: Check the resistance of the solenoid valve. Inspect the wiring harness for damage. Check the contacts in the control circuit connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3447?
Limited driving only, diagnose soon
How much does it cost to fix P3447?
The estimated repair cost for P3447 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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