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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1735 (Data Link Communications) >> Diagnostic Information and Procedures >> DTC U2102 or U2103: Controller Count Mismatch >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic for this DTC is run when the ignition is cycled from OFF to RUN.

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