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October 13, 2015 Service bulletin

Engine

Chevrolet technical service bulletin PIT5202C for 2014 Chevrolet Silverado 1500, 2013-2016 Chevrolet Tahoe and 2014 GMC Sierra 1500 and others.

Bulletin number
PIT5202C
Component
Engine
Summary
This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission. Starting with the 2013 model year, Full Size Trucks and Utilities now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle.

Owners of these vehicles have filed 723 complaints in the engine category.

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