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# GCUS-9-1529 .
15236A - SPECIAL COVERAGE (REVISED PART ORDERING INFORMATION). VEHICLES MAY HAVE BEEN BUILT WITH FRONT SEAT HEATER MAT ELEMENTS (SEAT CUSHION OR BACK REST) THAT MAY OVERHEAT. IF A SEAT HEATER MAT ELEMENT OVERHEATS, IT MAY PRODUCE VISIBLE AND LOCALIZED HEAT DAMAGE TO THE SEAT COVER AND POTENTIALLY DAMAGE THE OCCUPANTS CLOTHING. IF THE ELEMENT FAILS COMPLETELY (DUE TO MELTING OR FATIGUE) THE CIRCUIT WILL OPEN, RENDERING THE SEAT HEATER INOPERATIVE. IF THE CONDITION OCCURS WITHIN THE STATED TERMS, DEALERS ARE TO INSPECT AND REPAIR BACK HEATER AND/OR CUSHION HEATER AS NECESSARY.
