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 |
|---|---|---|---|---|
| 12V Reference | 1 | 1 | - | - |
| Cruise Control Set/Coast/Resume/Accelerate Switch Signal | 1, P0580 | B3794, P0565 | B3794, P0567, P0568, P0581 | B3794, P0564, P155A |
| Adaptive Cruise Control Gap Up/Down Switch Signal | P155A, P155B | P155A, P155B | 1 | - |
| 1.Cruise Control=Malfunction | ||||