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# 08-05-22-001.
Affected Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
PEDAL NOISE/BUZZ, EXTRA EFFORT NEEDED TO DEPRESS BRAKE PEDAL AFTER VEHICLE HAS NOT BEEN DRIVEN FOR EXTENDED PERIOD OF TIME (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE (EBCM)). *NJ
