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Service bulletin 476521

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 id39077
Published by NHTSA1995-03-06
Manufacturer's number476521
Manufacturer's date1995-01-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

CHUGGLE OF TCC GROWL ON GRADES WHILE MAINTAINING SPEED WITH TCC ENGAGED. *TW

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

Electrical system, Ignition

Vehicles listed
BUICK SKYLARK1993
OLDSMOBILE ACHIEVA1993
PONTIAC GRAND AM1993

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

Recalls for the same vehicles and component
93V1530001993-09-14. ELECTRICAL SYSTEM:IGNITION:SWITCH

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