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 |
|---|---|---|---|---|
| B+ - Relay Coil | 2 | 2 | - | - |
| B+ - Relay Switch | 2 | 2 | - | - |
| Signal - S33 Horn Switch | 1 | 2 | 2 | - |
| Control - P12 Horn | 2 | 2 | 1 | - |
| Control - Relay Coil | B2750 02 | B2750 04 | B2750 01 | - |
| Ground - S33 Horn Switch | - | 2 | - | - |
| Ground - P12 Horn | - | 2 | - | - |
|
||||