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January 1, 2004 Service bulletin

Onstar center unable to perform remote diagnostic

Chevrolet technical service bulletin 3120 for 2004-2005 Chevrolet Tahoe, 2004-2005 Chevrolet Silverado and 2004-2005 Chevrolet Suburban and others.

Bulletin number
3120
Component
Equipment: electrical: navigational system(global positioning system)
Summary
Onstar center unable to perform remote diagnostic. (2004-2005 chevrolet yukon, 2005 chevrolet trailblazer, 2002, 2003, 2005 buick rainier, 2005 chevrolet express van, and 2005 cadillac seville) sc

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