Cadillac Deville 1999 — technical service bulletin
Bulletin 876526 · NHTSA communication 602990 · issued Nov 1, 1998
Technical service bulletin
communication type
Electrical System
component
1999
model years
4
vehicle entries
Official summary
Subject on on-board diagnostic (obd) system improvements. *yc
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.