Oldsmobile Alero 2002 — technical service bulletin
Bulletin 210602 · NHTSA communication 637261 · issued Jun 21, 2002
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002
model years
2
vehicle entries
Official summary
Some vehicles built with the 2.2 liter or 3.4 liter engine may have a customer complaint about intermittent drivability issues, which may also include a service engine soon light and or more powertrain control moudle diagnostic trouble codes or diagnostic trouble codes. *tt
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.