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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Cellular Communication Systems) >> Diagnostic Information and Procedures >> DTC U1500 - Inter-Device Dedicated Bus Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

This DTC indicates an internal fault and is set within the vehicle communication interface module (VCIM). No external circuits are involved.

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