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# 071003.
Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM
THIS VME MESSAGE IS A WATER PUMP REPLACEMENT DUE TO A KNOWN CAM DRIVELINE. SOME CUSTOMERS MAY QUESTION ABOUT WHINE NOISE COMING FROM THE FRONT ENGINE AREA. *TT