Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 291100.
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
SOME VEHICLES MAY EXHIBIT A LOW SPEED SHUTTER OR VIBRATION DURING TIGHT LEFT OR RIGHT TURNS LIKE YOU'D MAKE IN A PARKING LOT AT SPEEDS OF UP TO FIVE MILES PER HOUR ON DRY PAVEMENT. *TT