Cadillac Deville 2001 — technical service bulletin
Bulletin 010730027 · NHTSA communication 627733 · issued Oct 1, 2001
Technical service bulletin
communication type
Power Train
component
2001
model years
4
vehicle entries
Official summary
Information regarding referencing diagnostic trouble code p0748 diagnostic procedure for harsh shift and/or harsh garage shift concerns. *yh
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.