Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ | U186A* | U186A* | - | - |
| Ignition | U186A* | U186A* | - | - |
| Wake-Up Signal | P06E4* | U186A* | - | - |
| High Speed GMLAN Serial Data (+) | U0073* | U0073, U186A* | U0073* | - |
| High Speed GMLAN Serial Data (-) | U0073* | U0073, U186A* | U0073* | - |
| Ground | - | U186A* | - | - |
| * Other modules/DTCs may set, and multiple symptoms including no start may occur. | ||||