Cadillac Deville 1998–1999 — technical service bulletin
Bulletin 990730015A · NHTSA communication 614356 · issued Apr 1, 2000
Technical service bulletin
communication type
Power Train
component
1998–1999
model years
8
vehicle entries
Official summary
Concerns with malfunction indicator lamp illiminates, speedometer fluctuates / inoperative, cruise control / torque converter clutch inoperative. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.