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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B124F >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

Certain devices in the entertainment system must be programmed with specific software and other information to operate correctly. This DTC is the result of an unsuccessful USB programming event of the device. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved

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