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May 22, 2014 Service bulletin

This informational bulletin advises the technician to update the Onstar from an analog system to a digital...

Chevrolet technical service bulletin 05-08-46-006S for 2004-2005 Chevrolet Malibu, 2001-2004 Chevrolet Impala and 2003-2004 Chevrolet Tahoe and others.

Bulletin number
05-08-46-006S
Component
Electrical system: software
Summary
This informational bulletin advises the technician to update the Onstar from an analog system to a digital system if the customer wishes.

Owners of these vehicles have filed 8,505 complaints in the electrical category.

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