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Home >> Cadillac >> 2007 >> Escalade AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1962 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1289 >> Circuit/System Description
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Circuit/System Description

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The radio can control the video display brightness on vehicles equipped with rear seat entertainment (RSE) video. The radio varies a pulse with modulated (PWM) signal to the rear entertainment video screen to command the screen brightness to the desired level.

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