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February 1, 2012 Service bulletin

Gm: incorrect engine control module calibration

Chevrolet technical service bulletin RB-12009 for 2008 Chevrolet Tahoe, 2008 Chevrolet Silverado and 2008 Chevrolet Suburban and others.

Bulletin number
RB-12009
Component
Engine and engine cooling: engine
Summary
Gm: incorrect engine control module calibration. General motors has decided to conduct a voluntary emission recall involving certain 2008 model year vehicles equipped with a 4.8l/0.6l engine (ly2/l76). Js

Owners of these vehicles have filed 106 complaints in the engine category.

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