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January 1, 2004 Service bulletin

Multiple electrical concerns and diagnostic trouble code U1064

Chevrolet technical service bulletin 3172 for 2002-2004 Chevrolet Trailblazer, 2002-2005 GMC Envoy and 2002-2004 Oldsmobile Bravada and others.

Bulletin number
3172
Component
Electrical system
Summary
Multiple electrical concerns and diagnostic trouble code u1064. Various models including 2005 buick rainier and 2005 chevrolet trailblazer. Tt

Owners of these vehicles have filed 1,727 complaints in the electrical category.

Vehicles covered

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