The PS5 DualSense controller works normally in Safe Mode, but fails to connect or function properly in normal mode. The controller may power on, but cannot pair, respond, or function during normal system use.
This issue is typically caused by a malfunction in the Bluetooth/WiFi module on the mainboard.
The controller works in PS5 Safe Mode.
The controller is unresponsive in normal system mode.
Unable to wirelessly pair or reconnect.
May only work via USB in Safe Mode.
Firmware updates did not resolve the issue.
Resetting the controller did not resolve the issue.
Diagnostic Steps
Reset Controller
Press the reset button (back pinhole) for 5–10 seconds
Retest
Test via USB
Connect the controller via USB cable
Confirm it works in Safe Mode but not in Normal Mode
Test the controller on another system
Confirm the PS5 controller itself is not faulty
Confirm Firmware Update
Try updating the PS5 firmware
If no change → likely a hardware failure
Visual Inspection
Inspect the circuit board (PCB) for corrosion or damage around the RF module
If the controller only works in Safe Mode → replace the module.
Repair Steps
Power off the system
Carefully disassemble
Remove the PCB assembly
Locate the BT/WiFi module
Apply flux
Remove the faulty module using controlled hot air
Thoroughly clean the circuit board
Install the new module with a perfectly matching replacement module
Reflow evenly
Inspect the solder joints with a magnifying glass
Reassemble the system
