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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1248 (Data Link Communications System) >> Diagnostic Information and Procedures >> DTC U1304 >> Conditions for Running the DTC

Conditions for Running the DTC

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

The PCM does not receive a message from the EBCM in over 5.6 seconds.