Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| 12 V Reference | U0125, U0126 | U0125, U0126 | - | - |
| CAN Bus High Serial Data | U0073, U0074, U0125, U0126 | U0073, U0074, U0125, U0126 | U0073, U0074, U0125, U0126 | C0710 71, C0710 5A |
| CAN Bus Low Serial Data | U0073, U0074, U0125, U0126 | U0073, U0074, U0125, U0126 | U0073, U0074, U0125, U0126 | C0710 71, C0710 5A |
| Ground | - | C0710 5A, U0126 | - | - |