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November 21, 2012 Service bulletin

Electrical system: software

Chevrolet technical service bulletin PIC5687B for 2011-2012 Chevrolet Malibu, 2011-2012 Chevrolet Silverado 1500 and 2011-2012 Chevrolet Impala and others.

Bulletin number
PIC5687B
Component
Electrical system: software
Summary
This Preliminary Information communication provides information to the technician about vehicles that loose connection between the vehicle and a Bluetooth phone. Technician will need to use a scan tool to check the "Firmware Over-the-Air" value. If the "Firmware Over-the-Air" value is up to date and customer's concern is still present contact General Motors Technical Assistance Center for further assistance.

Owners of these vehicles have filed 2,334 complaints in the electrical category.

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