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04-08-46-004A BULLETIN CANCELLATION NOTICE

Bulletin No.: 04-08-46-004B

Date: January 15, 2008

TECHNICAL

Subject:
OnStar(R) System Inoperative OnStar(R) System Status Light is Red Radio Locked in Phone Mode or DTC B1000 (Update Early Release Generation 5 OnStar(R) System Software)

Models:
2003 Buick LeSabre Rendezvous
2003 Cadillac Escalade Escalade EXT
2003 Chevrolet Avalanche Cavalier Express Silverado Suburban Tahoe TrailBlazer TrailBlazer EXT Venture
2003 GMC Denali XL Envoy Envoy XL Savana Sierra Yukon Yukon XL
2003 Oldsmobile Aurora Bravada Silhouette
2003 Pontiac Aztek Bonneville Montana Sunfire
2004 Pontiac Grand Prix
2003 HUMMER H2

with OnStar(R) Communication System (RPO UE1)

Supercede:

This bulletin is being canceled. Please discard Corporate Bulletin Number 04-08-46-004A (Section 08 - Body and Accessories).

Refer to Corporate Bulletin Number 05-08-46-006N - Information on Upgrading Certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System for vehicles that exhibit the above condition.





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