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Service bulletin 990525004

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 id6089156
Published by NHTSA2000-01-14
Manufacturer's number990525004
Manufacturer's date1999-10-01
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

CONCERNS WITH INTERMITTENT MULTIFUNCTION ALARM ACTIVATION. *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

Lighting

Vehicles listed
CHEVROLET B71993, 1994, 1995, 1996, 1997, 1998, 1999
CHEVROLET C SERIES1990 to 1999
GMC B71993, 1994, 1995, 1996, 1997, 1998, 1999
GMC C SERIES1990 to 1999

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

Recalls for the same vehicles and component
95V1300001995-07-05. EXTERIOR LIGHTING:BACK UP LIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
9905260012000-01-12. Service bulletin. INFORMATION REGARDING DAYTIME RUNNING LIGHTS (DRL) FLICKER CONDITION. *TT