Diagnostic Fault Information
WARNING: This page is about a different car, the 2016 Cadillac CTS. 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+ | U2616, U0100 | U2616, U0100 | - | - |
| Ignition | U2616, U0100 | U2616, U0100 | - | - |
| Accessory Wake Up Serial Data | U1814, U2099 | U2616, U0100 | - | - |
| Powertrain High Speed GMLAN Serial Data (+) | U0074* | U0074* | U0074* | - |
| Powertrain High Speed GMLAN Serial Data (-) | U0074* | U0074* | U0074* | - |
| Ground | - | U2616, U0100 | - | - |
| *Other DTCs may set with this fault | ||||