How to test the lightbar and LEDs
Connect your DualSense or DualShock 4 controller via USB, click Connect Controller via WebHID, and use the color palette selector to send real-time RGB illumination commands to the lightbar.
By sending WebHID output reports directly to the gamepad's LED controller, this tool tests individual Red, Green, and Blue color channels as well as white player indicator LEDs located underneath the touchpad.
Testing each rumble motor separately
Most gamepad testers fire both vibration motors simultaneously, hiding a burnt-out motor. This tool lets you trigger the heavy low-frequency motor and the light high-frequency motor independently.
Game controllers contain two distinct vibration motors: the left grip houses a large counterweight for heavy explosions, while the right grip houses a small weight for subtle feedback. Testing them separately is the only way to diagnose a single dead motor.
What lightbar colours mean on PlayStation
On PlayStation consoles, lightbar colors designate player assignment: Blue is Player 1, Red is Player 2, Green is Player 3, and Pink/Magenta is Player 4.
In games, dynamic color changes communicate status effects: flashing orange indicates battery charging, pulsing red indicates critical low health, and pulsing white indicates pairing search mode.
Common lightbar and LED faults
Lightbar failures typically manifest as a single dead color channel (e.g., green fails, making cyan look blue), stuck dim LEDs, or flickering during movement.
Color channel loss is usually caused by a loose internal ribbon cable connecting the LED daughterboard to the main motherboard. If your controller fell or underwent shell modification, check that the lightbar flex cable is securely seated.
Lightbar and battery drain
The DualSense RGB lightbar and player LEDs consume noticeable power over long gaming sessions, though haptic actuators and adaptive trigger motors draw considerably more current.
Reducing lightbar brightness to 'Dim' in your console's accessory settings can extend battery life by 30 to 45 minutes without affecting gameplay feedback.
Frequently Asked Questions
Can I change my DualSense lightbar colour on PC?
This page can cycle it for testing. Permanent colour control is game-dependent on console and needs third-party software on PC.
Why is my controller lightbar not working?
Usually a failed LED assembly or ribbon connection. If the controller otherwise works, the lightbar alone is rarely worth repairing outside warranty.
Can I test each rumble motor separately?
Yes. This page drives the left and right motors independently, which reveals a single dead motor that a combined test would hide.
Does the lightbar drain the battery?
It draws power, though far less than haptics. Reducing brightness in PS5 settings gives a modest playtime gain.
What do the player LEDs mean?
They indicate which player slot the controller is assigned to, and they flash during pairing and low battery.