P3443
Cylinder 6 Deactivation/Intake Valve Control Circuit Low
P3443 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Deactivation/Intake Valve Control Circuit Low. Common causes: open or short circuit in control circuit, malfunction of the cylinder deactivation solenoid valve. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Deterioration in fuel consumption
- Engine vibrations at idle
- Reduced engine power
- Unstable engine operation
Causes
- Open or short circuit in control circuit
- Malfunction of the cylinder deactivation solenoid valve
- Wiring Harness Problems
- Engine control unit malfunction
- Mechanical problems with the cylinder deactivation 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 engine control unit
- Replace faulty components
Related codes
Error P3443 by Vehicle Brand
FAQ
What does the P3443 code mean?
P3443 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Deactivation/Intake Valve Control Circuit Low
What causes a P3443 error code?
The most common causes of P3443 include: Open or short circuit in control circuit; Malfunction of the cylinder deactivation solenoid valve; Wiring Harness Problems; Engine control unit malfunction.
How do I fix a P3443 diagnostic trouble code?
To fix P3443: 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 P3443?
Yes, but get it checked soon
How much does it cost to fix P3443?
The estimated repair cost for P3443 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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