Buick Rainier 2004 — technical service bulletin
Bulletin 3164A · NHTSA communication 10017230 · issued Oct 28, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
4
vehicle entries
Official summary
Service engine soon light due a diagnostic trouble code p0606 diagnostic trouble code, operate in reduced engine power mode, and potentially stall. *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.