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Home >> Chevrolet >> 2007 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1446 >> Circuit/System Description
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Circuit/System Description

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

The vehicle communication interface module (VCIM) detects the Back-up Battery (BUB) is no longer able to meet the minimum requirements to successfully place a call in the event of a main battery disconnect during a collision event.

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