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Service bulletin 990604045

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id6088955
Published by NHTSA2000-01-12
Manufacturer's number990604045
Manufacturer's date1999-10-01
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

SUBJECT REGARDING LOW POWER / STUMBLE WHEN ACCELERATING IN TURNS OR STRAIGHT LINE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Throttle and cruise control

Vehicles listed
BUICK LESABRE1998, 1999
BUICK PARK AVENUE1998, 1999
OLDSMOBILE 881998 to 1999
PONTIAC BONNEVILLE1998, 1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
0506040582005-11-11. Service bulletin. INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT