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January 1, 2004 Service bulletin

XM channel zero not available on certain vehicles equipped with navigation style radios

Chevrolet technical service bulletin 01661 for 2004 Chevrolet Trailblazer, 2004 GMC Yukon and 2004 GMC Envoy and others.

Bulletin number
01661
Component
Equipment: electrical: navigational system(global positioning system)
Summary
Xm channel zero not available on certain vehicles equipped with navigation style radios. Also including gmc denali 2004. Tt

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