Cadillac Deville 2001 — technical service bulletin
Bulletin 010601 · NHTSA communication 619763 · issued Jun 1, 2001
Technical service bulletin
communication type
Power Train
component
2001
model years
4
vehicle entries
Official summary
Subject regarding 4t80e automatic transmission internal mode switch and harness request for information. *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.