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# SB05-04-114-001B.
CADILLAC: CONTROLLING REAR AXLE OR WHEEL HOP ON FULL THROTTLE APPLICATION FROM A STANDSTILL AND/OR FULL THROTTLE 1-2 SHIFT (INSTALL SUPPLEMENTARY REAR SUB-FRAME BUSHINGS). *PE