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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 685 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1009 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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The module reverts to base operation values programed for those blocks of data that have failed the check sum test. The blocks of data that have not failed the check sum test are not affected.

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