Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Volkswagen for this TSB. Call your local Volkswagen dealer's service department & ask for a copy of TSB# CSC-74B8.
VOLKSWAGEN: HEATED SEATS INSTALL NEW PASSENGER SIDE SEAT HEATER SWITCH. AFFECTED VEHICLES MAY HAVE A SEAT HEATER ELEMENT THAT CAN MALFUNCTION WHEN THE IGNITION SWITCH IS ON AND THE SEAT HEATER SWITCH IS ON. *PE