How to Disable Honda Vcm

How to Disable Honda Vcm 1

Honda’s VCM system is designed to improve fuel economy by shutting off cylinders when they’re not needed. However, some drivers find the system intrusive and annoying. If you fall into this category, you may be wondering how to disable Honda Vcm.

DIY:Disable the VCM in a Honda Odyssey with S-VCM

  • Honda Vcm can be disabled by disconnecting the negative battery terminal
  • Locate the Honda Vcm unit and unplug it from the vehicle’s electrical system
  • Remove the Honda Vcm unit from the vehicle
  • Re-connect the negative battery terminal and start the vehicle to test if the system is working without issue
How to Disable Honda Vcm


How Do I Disable Honda Vcm

If you’re looking to disable your Honda’s VCM, or Variable Cylinder Management, there are a few things you’ll need to do. First, find the fuse box under the hood and locate the VCM fuse. Pull it out and inspect it; if it’s blown, replace it with a new one.

Next, locate the VCM relay; it should be near the fuse box. Remove it and again, check for any signs of damage. If everything looks good so far, reinstall both the fuse and relay.

Now start up your Honda and see if the VCM is still active; if not, then congratulations! You’ve successfully disabled your vehicle’s cylinder management system.

What are the Consequences of Disabling Honda Vcm

The Honda Vcm is a system that helps to improve fuel economy and reduce emissions in Honda vehicles. When this system is disabled, the consequences can be significant. The vehicle may see an increase in fuel consumption and emissions, as well as a decrease in performance.

In some cases, the engine may even stall. If you are considering disabling your Honda Vcm, it is important to weigh the pros and cons carefully to decide if it is worth it for you.

Is It Legal to Disable Honda Vcm

Yes, it is legal to disable Honda Vcm. However, doing so may void your vehicle’s warranty and could potentially damage your engine.


If your Honda has VCM, or Variable Cylinder Management, you may want to disable it for better gas mileage. VCM allows the engine to run on fewer cylinders when cruising to save fuel, but can cause reduced power and torque. It can also cause the engine to run rougher than usual.

To disable VCM, you’ll need to access the Engine Control Unit, or ECU.

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