Section 90 (Data Communication System - Schematic Wiring Diagrams)
WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Wiring Diagrams
- Data Communication Wiring Schematics
- Data Link Connector and Serial Data Gateway Module Power and Ground
- Low Speed GMLAN
- Isolated Low Speed GMLAN
- High Speed GMLAN (1 of 2)
- High Speed GMLAN (2 of 2)
- Isolated High Speed GMLAN
- Headlamp Leveling High Speed GMLAN (T4L)
- Chassis High Speed GMLAN
- Powertrain High Speed GMLAN
- MOST Bus and Communications Enable (IO5/IO6)
- MOST Bus and Communications Enable (I30)
- Communications Enable - High Speed GMLAN
- Linear Interconnect Network (LIN) (1 of 2)
- Linear Interconnect Network (LIN) (2 of 2)
- Object High Speed GMLAN (UKC)
- Body Control System Wiring Schematics
- Data Communication Wiring Schematics