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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC U1500 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 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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