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January 1, 2005 Service bulletin

Onstar system inoperative onstar system status light is red radio locked in phone mode or DTC B1000

Chevrolet technical service bulletin 040846004 for 2003 Chevrolet Tahoe, 2003 Chevrolet Silverado and 2003 Chevrolet Trailblazer and others.

Bulletin number
040846004
Component
Equipment: electrical: radio/tape deck/cd etc.
Summary
Onstar system inoperative onstar system status light is red radio locked in phone mode or dtc b1000. Eh

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