Smart Locks can't create any new codes

[Ryan780]

I think its the DTH that is causing the issue. I’m pretty sure the Z wave lock DTH can’t work with custom codes. You’d have to look at a custom dth like this one from @RBoy.

[EDGE] Universal Enhanced Z-Wave Lock Driver for Schlage, Yale, Kwikset, IDLock, Popp, Danalock, August Pro, Keywe, Philia, Samsung

A “future proof” Universal Enhanced Z-Wave Lock driver This driver is enhanced to fix bugs in the stock ST ZWave Lock driver, include patches for bugs in lock firmwares and bring out additional features for Schalge, Yale, Kwikset, IDLock, Popp, Samsung, Delaney, August Pro, Danalock, KeyWe, Philia, Vivint, Locstar etc zwave locks (see below for a full list of models and features). This works with all ZWave locks and newer ZWave Plus locks (see below for a list of locks tested). It discovers/learns the lock features and automatically configures them. If a feature is not supported by the lock it will not show up or say Unsupported. You need SmartThings Smart Lock Guest Access (SLGA), Advanced Web UI or a SmartApp like Lock User Management (LUM), Rental Lock Automater (RLA) to program user …