Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Module B+ | U0100-U0299 | U0100-U0299 | - | - |
| Ignition | U0100-U0299 | U0100-U0299 | - | - |
| Module Ground | U0100-U0299 | U0100-U0299 | - | - |
| Accessory Wake Up Serial Data | U1814 | U0100-U0299 | - | - |
| High Speed GMLAN Serial Data Wake Up | U2099 | U0100-U0299 | - | - |
| Low Speed GMLAN Serial Data | 1 | U0100-U0299 | 1 | - |
| 1. Scan tool does not communicate with low speed GMLAN device | ||||