Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ | 1 | 1 | - | - |
| Ignition | 1 | 1 | - | - |
| High Speed GMLAN Serial Data (+) | 1 | 1 | 1 | - |
| High Speed GMLAN Serial Data (-) | 1 | 1 | 1 | - |
| Object High Speed GMLAN Serial Data (+) | 1 | 1 | 1 | - |
| Object High Speed GMLAN Serial Data (-) | 1 | 1 | 1 | - |
| Chassis High Speed GMLAN Serial Data (+) | 1 | 1 | 1 | - |
| Chassis High Speed GMLAN Serial Data (-) | 1 | 1 | 1 | - |
| Low Speed GMLAN Serial Data | 1 | 1 | 1 | - |
| Ground | - | 1 | - | - |
| Ground (X84 Data Link Connector terminal 5) | - | 1 | - | - |
| 1. No communication with the vehicle. | ||||