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April 21, 2005 Service bulletin

P0622 or charge indicator on after calibrating engine control module (ECM)

Chevrolet technical service bulletin 3293 for 2005 Chevrolet Silverado and 2005 GMC Sierra.

Bulletin number
3293
Component
Engine and engine cooling: engine
Summary
P0622 or charge indicator on after calibrating engine control module (ECM). Tt

Owners of these vehicles have filed 41 complaints in the engine category.

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