Check a VIN

March 21, 2017 Service bulletin

This informational bulletin explains how to update the older Onstar module software to new software over GSA.

Chevrolet technical service bulletin 15-08-73-001A for 2000-2011 Chevrolet Malibu, 2001-2009 Chevrolet Silverado 1500 and 2000-2009 Chevrolet Impala and others.

Bulletin number
15-08-73-001A
Component
Electrical system: software
Summary
This informational bulletin explains how to update the older Onstar module software to new software over GSA.

Owners of these vehicles have filed 29,526 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Chevrolet Malibu?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history