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Service bulletin 990604031

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 id607612
Published by NHTSA1999-09-30
Manufacturer's number990604031
Manufacturer's date1999-08-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATING INTERMITTENTLY WITH NO DRIVEABILITY CONCERNS. *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.

Vehicles listed
CHEVROLET VENTURE1998
OLDSMOBILE SILHOUETTE1998
PONTIAC MONTANA1998
PONTIAC TRANS SPORT1998

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