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GMC
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2011
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Savana G2500, Van Cargo Extended, 6.0 G
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Repair and Diagnosis
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Engine Performance
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Data Communications System
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Diagnostic Information And Procedures
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DTC B1004
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Circuit/System Description
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Circuit/System Description
The internal fault detection is handled inside the control module.