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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Rainier 2005–2006technical service bulletin

Bulletin 3609A · NHTSA communication 10018537 · issued Jan 6, 2006

Technical service bulletin
communication type
Power Train
component
2005–2006
model years
37
vehicle entries

Official summary

Harsh 1-2 shift, malfunction indicator lamp illuminated, diagnostic trouble code p0894 stored in pcm. *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.