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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U2100 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The module setting the DTC has attempted to establish communications on the GMLAN circuits for more than 7 times.