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4x4 Service Soon light is on - 2002 Chevrolet TrailBlazer

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This will require a mechanic to diagnose, there many components to the 4x4 system (transfer case & encoder motor, transfer case control module, front drive disconnect & actuator). Any problem with these can illuminate the 4x4 Service light.

Posted on Jan 02, 2013

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Posted on Jan 02, 2017

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