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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Data Communication System - Description And Operation) >> Description and Operation >> Data Link Communications Description and Operation >> Notes

Data Link Communications Description and Operation: Notes

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.
NOTE:

This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Wiring Schematics to find out which serial data buses are configured for a specific vehicle.

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