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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1399 (Data Link Communication System) >> Diagnostic Information and Procedures >> DTC U1000: Class 2 Data Link >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

A node alive message has not been received from an unidentified module within the last 5 seconds after establishing class 2 serial data communication.