P111D

CHEVROLET, GMC

This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.

CHEVROLET, GMC

This informational bulletin provides Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set

GMC

THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON IDENTIFYING DURAMAX DIESEL OVERPOWER ENGINE BREAKDOWN/NON-FUNCTION DUE TO AFTERMARKET POWER-UP DEVICES VS NON OVERPOWER ENGINE NON-FUNCTION OF PISTONS, CYLINDERS, VALVETRAIN COMPONENTS, DTC P003A OR P111D SET