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September 22, 2016 Service bulletin

This preliminary information communication advises the technician that the electronic brake control module...

Chevrolet technical service bulletin PIT4383Q for 2009-2013 Chevrolet Silverado 1500, 2009-2013 Chevrolet Tahoe and 2009-2013 GMC Sierra 1500 and others.

Bulletin number
PIT4383Q
Component
Service brakes, air: supply: check valve
Summary
This preliminary information communication advises the technician that the electronic brake control module and brake pressure modulator valve for the 2-mode hybrid utilities and trucks are now off restriction through the general motors technical assistance center.

Owners of these vehicles have filed 130 complaints in the brakes category.

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