Cadillac Eldorado 2000–2002 — technical service bulletin
Bulletin 020847002 · NHTSA communication 634517 · issued Jul 1, 2002
Technical service bulletin
communication type
Electrical System
component
2000–2002
model years
3
vehicle entries
Official summary
This bulletin is being issued to revise diagnostic trouble codes b1552, b1556 and b1558. *tt
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.