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# 151101.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
ONWERS MAY COMMENT ON A LIGHT HESITATION OR STUMBLE AFTER A COLD START AT TEMPERATURES BELOW APPROXIMATELY 50 DEGREEES FAHRENHEIT OR TEN DEGREES C. *TT