YCCTEAM YCC-SW4001 Troubleshooting

The YCC-SW4001’s LEDs do not turn on when charging or pairing, and none of the buttons or sticks function. 

If the charging LED does not turn on, then the charging cable may be defective. This can happen when the cable has been bent or it has exposed wires. Try to charge the controller using another USB-A to USB-C cable.

If the second charging cable fails to turn on the charging LED, and the inputs continue to be unresponsive, then the battery may be faulty. Follow the Battery Replacement Guide to swap it with a new one.

The YCC-SW4001 cannot be paired to the Nintendo Switch wired or wirelessly.  

If the controller will not pair to the Nintendo Switch via USB, the cable may be faulty. Try connecting the controller with another USB-A to USB-C cable.

The controller may only pair to a Nintendo Switch with up-to-date firmware. To perform a system update, connect the Switch to the internet first. Then go to System Settings -> System and select “System Update” to begin the process.

Even if the controller was successfully used before, it may need to be paired to the Switch again if it was disconnected. Either plug in the included USB cable into the docked Switch or hold the Reset/Pairing button while on the Controllers -> Change Grip/Order screen in the HOME Menu. Make sure to keep the button held down until the player LEDs on the controller light up. It may take a few moments for the Switch to detect the controller.

It is possible that the controller shipped with a weak or faulty Bluetooth signal, which causes difficulties in using wireless communication. In these cases, it may be possible to use the controller on the Nintendo Switch via wired communication. To activate this feature, go to System Settings -> Controllers and Sensors and set “Pro Controller Wired Communication” to “On”. Press the Reset/Pairing button once to stop wireless communication, then connect the controller to the docked Switch using the USB cable. Note that the controller’s NFC/amiibo functionality will be disabled during wired communication.

The YCC-SW4001 experiences a lingering input from the control stick(s).  

To test for joystick drift, go to System Settings -> Controllers and Sensors -> Calibrate Control Sticks. Here you can move the sticks you want to test to see the input that the Switch is receiving. If the received inputs do not match the entered inputs, this may be due to moisture within the joystick. Moisture can cause the circuit in the controller to malfunction, sometimes causing joystick drift. If this is the case, using a soft, dry towel to pick up any moisture in the controller is a good idea.

If the controller has been neglected for a long period of time, it is possible that dust buildup is the cause of drifting. This can be solved by cleaning the area around the joystick using some isopropyl alcohol or a condensed air duster. It is most common to use isopropyl alcohol, so if you want to use any other cleaning fluids, conduct some research on the specific cleaner and how it works with circuit boards. Refer to the Joytick Replacement Guide to open the controller and start cleaning.

Over time, the controller joystick will start to loosen if used aggressively. If this is the cause of your joystick drift, consider replacing the joystick cap using the Joystick Replacement Guide. If the joystick module itself is broken, the same guide will suffice, but the user will need knowledge of soldering as well as a replacement joystick module.

The Nintendo Switch fails to receive intended inputs from the YCC-SW4001's directional pad, face buttons, or shoulder buttons.  

The responsiveness of the buttons can be confirmed in the Nintendo Switch’s system settings. Go to System Settings -> Controllers and Sensors -> Test Input Devices -> Test Controller Buttons. The Switch will display all button inputs received from the controller. If the displayed inputs do not match the physical buttons pressed, then this may be due to a non-default button mapping. To reset the buttons to factory default settings, go to System Settings -> Controllers and Sensors -> Change Button Mapping on the Nintendo Switch, and select “Reset”.

The buttons may only respond on a Nintendo Switch with up-to-date firmware. To perform a system update, connect the Switch to the internet first. Then go to System Settings -> System and select “System Update” to begin the process.

There may be dirt or lint under the buttons causing them to behave oddly. Try spraying a can of compressed air under the buttons to loosen any debris. You may need to temporarily remove the buttons to clean under them; see the Shoulder Buttons Replacement Guide or the ABXY Buttons Replacement Guide for instructions.

If the buttons continue to respond improperly after cleaning the surrounding area, then they may need to be replaced. See the Shoulder Buttons Replacement Guide or the ABXY Buttons Replacement Guide for instructions.

One or both rumble motors are not working properly.  

To check if rumble is turned off in the Nintendo Switch settings, go to System Settings -> Controllers and Sensors -> Controller Vibration and switch this “On”. If this was already on, check for rumble in a game where you know for a fact that it should support rumble. If the rumble works in that game, then rumble may not be supported by the game you’re playing.

If one or both rumble motors are not working, it might be a good idea to investigate the circuit for damage. Water damage can cause the circuit to corrode, littering dusty debris along the circuit. When you check the soldering for the rumble motors, check to see if they are still intact. If they clearly are damaged, follow the Rumble Motor Replacement Guide to get to the rumble motors, and begin the process of desoldering and resoldering.