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October 1, 2012 Service bulletin

Gmc/chevrolet: there may be an accumulation of diesel particulate filter soot level found when a...

Chevrolet technical service bulletin PI-0845 for 2011-2013 Chevrolet Silverado, 2011-2013 GMC Sierra and 2011-2012 Chevrolet Express and others.

Bulletin number
PI-0845
Component
Engine and engine cooling: engine: diesel
Summary
Gmc/chevrolet: there may be an accumulation of diesel particulate filter soot level found when a diagnostic system check is performed and may be caused by engine control module (ECM) with a reduced engine power message. Model 2011-2013 express, silverado; savana, sierra.

Owners of these vehicles have filed 44 complaints in the engine category.

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