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P3444 - OBD Trouble Code

OBD Code P3444 - Cylinder 6 Deactivation/Intake Valve Control Circuit High

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Wondering what is this OBD error code P3444 has to do with your vehicle? This OBD error code P3444 is a diagnostic trouble code that applies to OBD-II equipped vehicles such as Toyota, GMC, Ford, Dodge, Hyundai, Audi, Nissan and more. The steps to repair these issues might be different to a certain extent depending upon your vehicle model. To understand your vehicle better lets have deeper knowledge of this issue.

Learn More About OBD Error Code P3444

If you are facing OBD error code P3444, then you might face engine misfires and flashing of check engine light. Error code P3444 will be set by your vehicle’s ECM/PCM when they detect problems with the cylinder 6 deactivation/intake valve control circuit being high or not working as required. Eager to know what causes this problem with your vehicle? What all can relate to the occurence of this vehicle? If YES, then we have worked out a list of few common causes behind it.


What causes this problem with the Cylinder 6 Deactivation/Intake Valve Control Circuit High?


  • Malfunctioning variable valve timing solenoid
  • Low oil pressure
  • Low level of engine oil
  • Blocked oil passage
  • Faulty system wirings
  • Bad connectors
  • Faulty engine control module

Replace/Repair These Parts To Fix OBD Code P3444

  1. Powertrain Control Module - PCM (powertrain control module) is an integral control unit. So a defective one should be changed immediately replaced or reprogrammed to avoid any further damage. If you need one for your car, you can easily find with us for your specific car make and model with us at PartsAvatar and that too at reasonable prices.
  2. Engine Control Module - ECM that is also known as the “brain” of the car should be changed immediately if broken or defective in order to avoid further problems caused due to an Error Code P3444. If you need one for your vehicle, you can easily find one with us.
  3. Engine Oil - Remember that changing your contaminated engine oil might help you to solve your problem, considering it can become one of the potential causes.
  4. Variable Valve Timing Solenoid - Looking for VVT solenoid to fix this problem, all you need to do is to browse through our website. You can find the most budget friendly VVT solenoid with us.
  5. Intake Valve - Facing OBD error code P3444? If yes, then chances are that your vehicle demands an intake valve replacement. Don’t worry as you have arrived at the right place. We have in stock for you high end intake valves for all makes and models.
  6. Oil Filter - There could be a problem with your vehicle’s oil filter, but don’t let that hold you back. The PartsAvatar website is the best place to find the most efficient and cost-effective oil filters for your car. 

Symptoms Of OBD Error Code P3444

We at Parts Avatar Canada care for our customers, and that’s why we will help you to diagnose P3444 code by listing out some major symptoms. They are mentioned below as follows


Common Symptoms


  • Dropping fuel efficiency
  • Lack of engine performance
  • Misfiring engine
  • Flashing check engine light
  • Illumination of service soon light 

How To Correct P3444 Cylinder 6 Deactivation/Intake Valve Control Circuit High

Learn the ways with which you can correct this trouble code:


  • If found faulty, repair the deactivation solenoid
  • Aim for corrosion free connectors
  • Loose, damaged or corroded wires can be problematic, so make sure to get rid of them and repair or replace them
  • Make sure you get rid of the blocked oil filter
  • Block free all the oil passages
  • Also, just make sure to fix the faulty engine control module

However, if you face any issue then we have stocked a wide range of best priced Ecm, Pcm, Intake Valve, Exhaust Valve, Variable Valve Timing Solenoid, Engine Oil and more to help you out in fixing your car.

Easy Diagnosis Of Engine Error OBD Code P3444

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P3444 code to be stored:


Check the engine oil and check if it is serviced up to the needed level. Once this is done, then the next step is to look for all the related components and parts with the cylinder 6 exhaust valve control circuit. Once located, check for any physical damage through an in depth visual inspection. Check the wiring and connectors for any bare wires, burn spots, scraped etc. After all of this contact a technical to check for the configurations and see if every incorporated component within the cylinder 6 exhaust valve control circuit is in good shape.


Advanced Steps - These steps will be vehicle specific and will need a few technical equipment to ensure the safety and accuracy. You will need a digital multimeter and technical references. Here the oil pressure gauge will help you in your troubleshooting process.


Voltage Checks - Also the required voltage will depend upon the specific vehicles and the circuit configurations. In case you diagnose the lack of power source or ground, then you might require continuity tests to check the wiring integrity, connectors integrity and other components. Also perform the continuity tests with the power removed. No continuity will be an indication of faulty wiring that is open, shorted or corroded and must be repaired or replaced.


Common Mistakes When Diagnosing the P3444 Code


Beware of the following misdiagnoses


  • Low engine oil level
  • Faulty powertrain control module
  • Faulty vvt solenoid
  • Issues with the system wirings 

Other Diagnostic Codes Related To OBD Code P3444

P3441 - Cylinder 6 Deactivation/Intake Valve Control Circuit/Open

P3442 - Cylinder 6 Deactivation/Intake Valve Control Circuit Performance

P3443 - Cylinder 6 Deactivation/Intake Valve Control Circuit Low