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February 1, 2014 Service bulletin

Identifying Non-GM ECM Calibration Use and Power-Up Hardware Detection in Duramax® Diesel Engines Using GDS 2

Chevrolet technical service bulletin 140604003 for 2014 Chevrolet Silverado 1500, 2014 GMC Sierra 1500 and 2015 Chevrolet Silverado 2500 and others.

Bulletin number
140604003
Component
Fuel system, diesel
Summary
Identifying Non-GM ECM Calibration Use and Power-Up Hardware Detection in Duramax® Diesel Engines Using GDS 2

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