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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 (Data Communications - Diagnostic Information And Procedures (2 Of 3)) >> Diagnostic Information and Procedures >> DTC U1008 (T3 Audio Amplifier) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

The Ethernet bus 6 is used to communicate between T3 Audio Amplifier and A11 Radio. This Ethernet harness consists of a single twisted copper pair of wires (circuits 7215 & 7214) from point to point.

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