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September 14, 2016 Service bulletin

This preliminary information communication provides information to the technician about vehicles that have...

Chevrolet technical service bulletin PIC5491J for 2000-2017 Chevrolet Malibu, 2007-2017 Chevrolet Silverado 1500 and 2000-2001, 2003-2007, 2009-2013 Chevrolet Impala and others.

Bulletin number
PIC5491J
Component
Electrical system
Summary
This preliminary information communication provides information to the technician about vehicles that have an onstar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the onstar module for five minutes. After the power has been removed for five minutes, if the onstar system is working release the vehicle. If the onstar system is still inoperative continue with published service information diagnostics.

Owners of these vehicles have filed 22,537 complaints in the electrical category.

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