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# 010730026.
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
SOME OWNERS MAY COMMENT ON A TORQUE CONVERTER CLUTCH (TCC) SURGE / CHUGGLE BETWEEN 72-96 KM/H (45 - 60 MPH) UNDER A LIGHT LOAD WITH THE ENGINE AT OPERATING TEMPERATURE AND TCC APPLIED. *TT