Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Cadillac for this TSB. Call your local Cadillac dealer's service department & ask for a copy of TSB# CAG19990029.
Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
SOME VEHICLES MAY EXPERIENCE A DIAGNOSTIC TROUBLE CODE (DTC) P0602 AFTER AN ENGINE CONTROL MODULE (ECM) OR TRANSMISSION CONTROL MODULE (TCM) REPLACEMENT. *TT