| Subject: | Programming of Replacement OnStar® Vehicle Communication and  Interface Modules (VCIM) | 
| Models: | 2002-2003 Buick Century, LeSabre, Regal | 
 | 2002-2003 Cadillac DeVille, Seville | 
 | 2002-2003 Chevrolet Impala, Monte Carlo | 
 | 2003 Chevrolet Cavalier, Venture | 
 | 2002-2003 Oldsmobile Aurora | 
 | 2003 Oldsmobile Silhouette | 
 | 2002-2003 Pontiac Bonneville | 
 | 2003 Pontiac Aztek, Montana, Sunfire | 
 | 2003 Cadillac Escalade, Escalade ESV, Escalade EXT | 
 | 2002-2003 Chevrolet TrailBlazer, TrailBlazer EXT | 
 | 2003 Chevrolet Avalanche, Express, Silverado, Suburban, Tahoe | 
 | 2002-2003 GMC Envoy, Envoy XL | 
 | 2003 GMC Savana, Sierra, Yukon, Yukon XL | 
 | 2002-2003 Oldsmobile Bravada | 
 | with Generation 4 or Generation 5 OnStar® System | 
 
This bulletin is being issued to cancel Corporate Bulletin Number 01-08-46-002C. Please discard Corporate Bulletin Number 01-08-46-002C (Section   08 - Body and Accessories).
This bulletin is being issued to cancel Corporate Bulletin Number 01-08-46-002C. Refer to Communication Interface Module (VCIM) Replacement in Service Information (SI) for programming procedures.