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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Buick 2000–2004technical service bulletin

Bulletin 020730001A · NHTSA communication 628845 · issued Nov 1, 2004

Technical service bulletin
communication type
Power Train
component
2000–2004
model years
20
vehicle entries

Official summary

Diagnostic information on diagnostic trouble code p1870, transmission component slipping for 2000 - 2002 passenger cars and light duty trucks. *tt update to include 2004 models. *tt updated *eh

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.