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December 4, 2012 Service bulletin

Equipment: electrical

Chevrolet technical service bulletin PI0774B for 2008-2013 Chevrolet Malibu, 2008-2012 Chevrolet Silverado 1500 and 2008-2013 Chevrolet Impala and others.

Bulletin number
PI0774B
Component
Equipment: electrical
Summary
This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.

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