Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# SB-07132B.
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
CADILLAC/CHEVROLET/BUICK: BULLETIN ON REPROGRAMMING PROCEDURES ON ENGINE CONTROL MODULE (ECM) CALIBRATION FOR CERTAIN 2006 CADILLAC, CHEVROLET AND BUICK MODELS. *PE