How to Test Controller Vibration (Any Controller)

Vibration is the one controller feature nobody tests until it stops working, and by then you are trying to work out whether the fault is the controller, the game, the cable or a setting you changed six months ago.

Testing it directly removes all of that guesswork in about thirty seconds. Here is how to do it on any controller, what the results actually mean, and what a healthy pad should feel like.

Why test vibration deliberately

Four situations where it saves real time.

Diagnosing a fault. A test that drives the motors directly, outside any game, immediately separates a hardware problem from a software one. If the motors respond in a browser but not in your game, you can stop looking at the controller.

Buying used. Rumble is the feature sellers are least likely to have checked and buyers are least likely to test before the return window closes. Motors fail quietly.

After a repair. If you have replaced a stick module or a battery, you have had the motors and their wiring out. Confirm they still work before reassembling everything.

Before something that matters. Racing and horror games lean on rumble heavily enough that losing it changes the experience.

The motor types you might have

Knowing which system you are testing changes what a good result feels like.

ERM motors are the traditional design: a small motor spinning an off-centre weight. Found in Xbox controllers, the DualShock 4, the Switch Pro Controller and most third-party pads. Controllers usually have two, and they are deliberately different. The left is larger and produces a low, heavy rumble. The right is smaller and produces a higher, lighter buzz. They are not interchangeable and should not feel the same.

Linear resonant actuators and voice coils move a mass back and forth rather than spinning it. The DualSense uses these, which is why it can produce textured effects rather than a generic buzz. They respond faster and stop faster than ERM motors.

HD Rumble is Nintendo's implementation of the same idea in Joy-Cons and the Switch Pro Controller. Capable of fine detail when a game supports it.

Impulse Triggers are small motors inside the triggers themselves on Xbox One and later controllers. Two extra motors, separate from the grip pair, and they fail independently.

Testing in a browser

The quickest method and the one that needs no installation.

Connect the controller, open a vibration test, and press a button so the browser registers the device. Then trigger each motor.

The browser reaches the motors through the Gamepad API's vibration support, which works well in Chrome, Edge and other Chromium browsers. Firefox and Safari support is patchier, so if nothing happens, try a Chromium browser before concluding the controller is faulty.

Test in this order:

1. Left motor alone. Should be a low, heavy rumble you feel more than hear
2. Right motor alone. Higher and lighter. Noticeably different from the left
3. Both together. Should feel like a combined effect, not just one side
4. Low intensity. Around 20 to 30 percent. Should still produce something
5. High intensity. Full power, held for a few seconds
6. Stop. Should cease immediately, with no run-on

That sequence catches almost every fault worth catching.

Reading the results

Both motors respond, distinct in character, stop cleanly. Working correctly.

One side silent. A failed motor, a broken solder joint, or a disconnected wire on that side. Hardware fault, and settings will not fix it.

Rattling with little vibration. The eccentric weight has worked loose on its shaft, usually after a drop. Repairable if you can get the case open.

Grinding or scraping. Debris in the motor housing, or a failing bearing. It will get worse.

Works at high intensity, nothing at low. A motor struggling to start. Early stage failure, often from worn brushes or accumulated dust.

Intermittent, or changes when you squeeze the grip. A cracked solder joint. Very common on older controllers, since vibration is what fatigues joints in the first place.

Motor keeps running after the test stops. A stuck driver transistor or a software issue. Disconnect and reconnect the controller, and if it persists, that is a fault.

Nothing at all on either side. Check batteries and connection first, then driver, then assume hardware.

Things that produce false results

Four setup issues that make a working controller look broken.

Low battery. Motors are the largest current draw in a controller. A pad with enough charge for buttons and wireless can still fail under motor load. Test above half charge or on a cable.

Bluetooth limitations. Some rumble features do not travel over Bluetooth. Xbox Impulse Triggers are the clearest case: they simply do not work over a Bluetooth connection, by design. DualSense advanced haptics are also more reliable over USB. Always confirm a suspected fault with a cable before deciding.

Software layers. Steam Input, DS4Windows and reWASD all sit between the controller and whatever is trying to drive the motors. Some have an output setting that must be enabled for rumble to pass through, and turning it off to reduce latency also disables vibration. Close them during testing.

Browser choice. Vibration support varies by browser. A Chromium browser is the reliable baseline.

Testing on consoles

Console-side options are thinner than you might expect.

Xbox is the best served. The Xbox Accessories app has vibration sliders for the left grip, right grip and triggers, and adjusting them triggers the motors so you can feel each one independently. It is the closest thing to a built-in rumble test on any console.

PS5 has no dedicated test. The nearest equivalent is Astro's Playroom, which is installed on every console and was built specifically to demonstrate the DualSense haptics. If haptics work there, they work.

Switch has no built-in rumble test either. A game known for good HD Rumble is the practical substitute.

For anything more precise than "does it buzz," a PC and a browser test remain the better tool, because you can drive each motor at a specific intensity in isolation rather than relying on whatever a game decides to do.

Where vibration fits in a full check

If you are testing vibration because something is wrong, or because you are checking a used purchase, test everything else at the same time. Faults cluster, particularly after a drop.

Run the pad through a joystick tester for stick behaviour and button response, and check the triggers separately with a trigger test, since analog trigger travel is unrelated to trigger rumble and both can fail. A controller with a dead motor and a drifting stick is usually not worth repairing. A controller with only a dead motor often is.

Our controller testing hub covers what a healthy result looks like for each input type.

A used buyer's checklist

If you are buying secondhand, do this before the return window closes rather than after.

1. Charge fully or fit fresh batteries
2. Connect by cable, not wirelessly
3. Test the left motor alone, then the right alone
4. Confirm they feel different from each other
5. Test at low intensity as well as high
6. Listen for rattling or grinding
7. On an Xbox pad, test the trigger motors over a cable specifically
8. Test the sticks, buttons, and triggers while you are there

Rumble quality also varies more by price than most specifications do. Budget controllers frequently use smaller, cheaper motors that produce a thinner buzz with less low-end weight, which is a design choice rather than a defect. Our roundup of budget controllers under fifty covers where the compromises usually land.

Record a baseline

If you own a controller you care about, test it while it is new and note what you found. Which motor is which, how strong each felt, whether anything rattled.

Motors degrade gradually. Brushes wear, dust accumulates, solder joints fatigue. Gradual changes are exactly the ones you adapt to without noticing, and a note from a year ago turns "I think it feels weaker" into something you can actually check.