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Service bulletin 3677

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 id10019235
Published by NHTSA2006-02-22
Manufacturer's number3677
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

CALIBRATION TO CORRECT STALL ON AWD. *AK

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 RENDEZVOUS2005
PONTIAC AZTEK2005

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
31072004-11-09. Service bulletin. INTERMITTENT STALL, CRANK, NO START. *TT