Cadillac Deville 2001 — technical service bulletin
Bulletin 020501 · NHTSA communication 619750 · issued May 2, 2001
Technical service bulletin
communication type
Power Train
component
2001
model years
4
vehicle entries
Official summary
The subject condition is a erratic shift, harsh shift or slips on vehicles equipped with the 4t80e automatic transmission. *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.