Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# 17-NA-217.
Squeal Noise Originating from Front Brakes During Brake Apply
Condition - Some customers may comment on a squeal noise from the front brakes during brake apply
Correction - Apply a coat of paste between the shims of the front brake pads.