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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1081 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1004: Electronic Control Unit Identification Circuit >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The microprocessor reverts back to the base programmed critical operating data until new data is learned and stored in KAM.