GM IS ANNOUNCING A PRODUCT EMISSION RECALL, NUMBER 04016. VEHICLES COULD HAVE THE .02 ENGINE OFF NATURAL VACUUM, EONV, EVAPORATIVE EMISSION SYSTEM LEAK DETECTION DIAGNOSTIC DISABLED BY THE POWERTRAIN CONTROL MODULE THAT INCORRECTLY REFERENCES A FULL OR EMPTY FUEL TANK. POWERTRAIN CONTROL MODULE IS TO BE REPROGRAMMED. GM VOICEMAIL EXPRESS. *TT