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# SB-09333.
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
GMC/CHEVROLET: EVAPORATIVE EMISSION DIAGNOSTICS. A SERVICE PROCEDURE TO IMPROVE THE ABILITY OF THE EVAPORATIVE EMISSIONS DIAGNOSTIC TO DETECT LEAKS BY INSTALLING A FUEL TANK VENT TUBING JUMPER ON CERTAIN VEHICLES. VEHICLES EQUIPPED WITH V6 ENGINE WILL ALSO REQUIRE REPROGRAMMING OF THE ENGINE CONTROL MODULE. *PE
