This is often an effective way to fix misbehaving PS4 controllers.

Since there’s no setting on your console to update the firmware of the controller, you are limited to resetting it instead. In some situations, the cause can be deep within the firmware of the PS4 controller. The same can happen if the battery is damaged or no longer holding a charge. At other times, the controller may not be able to maintain a good connection at all. If your battery on your PS4 controller is weak, it’s Bluetooth range may be shortened. You should try to disconnect other Bluetooth devices such as tablets, headsets, smartphones, PCs, etc., to see if any of them is causing the problem. Wireless devices that use Bluetooth to connect are typically designed to handle possible signal interference from other devices but connection problems may still occur. If you have a number of Bluetooth devices connected to your PS4 and you’re having trouble connecting or your controller won’t connect at all, you may have a signal interference issue at hand. Sony’s PS4 uses standard Bluetooth connection to sync wireless controllers. There are a few reasons that can be blamed for the PS4 controller syncing issue. Causes why your PS4 controller won’t sync or connect This troubleshooting guide shows you the possible solutions that you need to try first before deciding on whether or not to junk a misbehaving controller. If your PS4 controller won’t connect all of a sudden, you don’t necessarily need a new one to resolve the issue.

Sync ps4 controller to mac for steam