Diagnostic Fault Information
WARNING: This page is about a different car, the 2022 Cadillac CT4. 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+ | U0100-U02FF | U0100-U02FF | - | - |
| Ignition | U0100-U02FF | U0100-U02FF | - | - |
| CAN 1 Serial Data [+] (circuit 4987) | U0075* | U0100-U02FF | U0075* | - |
| CAN 1 Serial Data [-] (circuit 4986) | U0075* | U0100-U02FF | U0075* | - |
| CAN 2 Serial Data [+] (circuit 4979) | U0073* | U0100-U02FF | U0073* | - |
| CAN 2 Serial Data [-] (circuit 4978) | U0073* | U0100-U02FF | U0073* | - |
| CAN 3 Serial Data [+] (circuit 4977) | U0074* | U0100-U02FF | U0074* | - |
| CAN 3 Serial Data [-] (circuit 4976) | U0074* | U0100-U02FF | U0074* | - |
| CAN 4 Serial Data [+] (circuit 4101) | U0079* | U0100-U02FF | U0079* | - |
| CAN 4 Serial Data [-] (circuit 4100) | U0079* | U0100-U02FF | U0079* | - |
| CAN 5 Serial Data [+] (circuit 4985) | U007B* | U0100-U02FF | U007B* | - |
| CAN 5 Serial Data [-] (circuit 4984) | U007B* | U0100-U02FF | U007B* | - |
| CAN 8 Serial Data [+] (circuit 4105) | U007E* | U0100-U02FF | U007E* | - |
| CAN 8 Serial Data [-] (circuit 4104) | U007E* | U0100-U02FF | U007E* | - |
| LIN Serial Data | U0100-U02FF | U0100-U02FF | U0100-U02FF | - |
| Ground | - | U0100-U02FF | - | - |
| * Other DTCs may set with this fault. | ||||