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Home >> Buick >> 2021 >> Envision Preferred, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> DTC B15BD >> Circuit/System Description

Circuit/System Description

The Head-Up Display system uses the P16 Instrument Panel Cluster Control Module to formulate images and vehicle information. The P16 Instrument Panel Cluster Control Module interfaces with the P29 Head-Up Display via a LVDS Signal over a USB cable. The P16 Instrument Panel Cluster Control Module monitors the circuits of the USB cable for faults.