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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 578 (Data Link Communication System) >> Diagnostic Information and Procedures >> DTC U1000 and U1255: Operating Parameter Association >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

At least one critical operating parameter has not been associated with an identification number within about 5 seconds after beginning serial data communication.

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