this is the only tsb i can find in regards to the actuator. there are the other 2 for the rubbing of the charge piping and the wastegate actuator nipple breaking
#09-06-93-004: Intermittent MIL/Check Engine Light On, DTC P0299 or P0234 Set (Adjust Turbocharger Wastegate Actuator) - (Jul 21, 2009)
#PIP4520: Low Boost / Power And/Or DTC P0299 Or P0101 - keywords actuator boost CAC charge control cooler driveability DTC ECM engine gas lnf low maf MIL reduced reducedpwmde SES wastegate - (Nov 4, 2008)
#PIP4485: Low Boost, Reduced Power and/or DTC - keywords air cac charge control cooler driveability ecm engine gas hole lnf low maf mil P0101 P0299 P2178 pipe power reduced reducdpwrmde rub ses start stall - (Sep 26, 2008)