Skip the auto shop - Our mechanics make house calls

P3412 OBD-II Trouble Code: Cylinder 2 Deactivation/Intake Valve Control Circuit High

check engine light

P3412 code definition

The P3412 Trouble Code refers to cylinder 2 deactivation/intake valve control circulation high.

What the P3412 code means

When the powertrain control module discovers that the measured voltage values from the MAF sensor, the TP sensor, and the MAP sensor are not within the specified range from the manufacturer, this code will appear.

What causes the P3412 code?

The P3412 code could appear for a number of different reasons. The following are some of the potential causes:

  • Low oil pressure.
  • Restricted oil passage.
  • Faulty cylinder deactivation solenoid.
  • Poor engine condition.
  • Open or shorted cylinder deactivation solenoid.
  • Bad electrical connection with the cylinder deactivation solenoid circuit.

How does a mechanic diagnose the P3412 code?

A mechanic will want to use an OBD-II scanner when they are diagnosing problems with your vehicle. They will connect the scanner to the vehicle’s computer, and this will collect information on the vehicle’s condition. The mechanic can learn quite a bit from the data that they gather. The mechanic will always want to reset the code as well, and then run the car as a test to see if the code returns. In some cases, the code might have been stored by accident. This can often happen with older vehicles that are out there and still running. If the code returns though, the mechanic knows there are actual repairs to do.

What repairs can fix the P3412 code?

The following are some of the repairs that the mechanic might do to help fix the P3412 code:

  • Check the system with an OBD-II scanner.
  • Reset the system to see if the code returns.
  • Check the wiring for proper connections, shorts, and corrosion.

Additional comments for consideration regarding the P3412 code

You never want to ignore any issues with your vehicle no matter how large or small they might be. It is important to take your vehicle in for maintenance and to clear codes as soon as they appear. This ensures you are keeping on top of your vehicle’s maintenance so it can last a long time. Even if you have an older vehicle and you believe that your warning lights might be coming on because of the age of the vehicle and because it is just the PCM sensors malfunctioning, you should never take the chance. You need to be working with a qualified mechanic.

Need help with a P3412 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

Insurance Requirements for Car Registration in Kentucky
The Kentucky Transportation Cabinet requires that all drivers in Kentucky carry liability automotive insurance, or “financial responsibility” in order to operate a vehicle legally and maintain vehicle...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P0291OBD-II Trouble Code: Cylinder 11 Injector Circuit Low
P0291 code definition When your vehicle’s PCM registers the P0291 code, it means that a voltage reading came from the fuel injector circuit – for cylinder number 11’s fuel injector –...


Related questions

Q: No start

Hello. A no start condition can be caused by a wide variety of issues, and from what you describe it would appear that the vehicle may have more than one issue. If spraying brake cleaner into the intake helped...

Q: Ignition coil problem

Hello! I suggest having the vehicle inspected by another technician to get a second opinion. Usually when a Check Engine Light is on, the vehicle will have some type of issue. Rarely will a Check Engine Light illuminate when nothing...

Q: Can shaft position sensor all of the outcomes of the problem

Possibilities: 1 - Simply replacing the camshaft sensor will solve your problem. 2 - If it does not, with the age of the vehicle, there can be a break in the wiring harness to the cam sensor. 3 - If...