After much research, here is a step-by-step for getting your Vizio Soundbar to work with the Comcast remote using EFC codes (mine is the newer charcoal grey one, works great!) Aux - Setup (2 blinks) - 11144 (2 blinks) Aux - Setup (2 blinks) - 994 - Setup - 00169 - Vol Up - Should get 2 blinks Aux - Setup (2 blinks) - 994 - Setup - 00168 - Vol Down - Should get 2 blinks Aux - Setup (2 blinks) - 994 - Setup - 00037 - Mute - Should get 2 blinks Aux - Setup (2 blinks) - 994 - Setup - 00165 - Power - Should get 2 blinks Aux - Setup (2 blinks) - 994 - Setup - 00164 - Input - Should get 2 blinks These are optional, I didn't use them: Aux - Setup (2 blinks) - 994 - Setup - 00036 - <button to use for TVOL> - Should get 2 blinks Aux - Setup (2 blinks) - 994 - Setup - 00101 - <button to use for TSHD> - Should get 2 blinks Then set the volume control on the remote and other settings according to the Remote's manual. ENJOY!! Hope this helps someone...
Couldn't find one for mine - the uverse remote just isn't that flexible. I bought a Logitech Harmony 650 remote for $70 on Amazon. Took a few minutes to setup, then it worked liked a charm instantly! Best $70 I ever spent.