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# PI0690B.
THIS PRELIMINARY BULLETIN PROVIDES INFORMATION TO INSPECT THE BATTERY FOR PROPER GROUNDING TO THE FRAME AND ENGINE IF THE CUSTOMER BRINGS THE VEHICLE IN FOR ERRATIC SHIFTING AND MIL ON.