Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ | U18C6 | U18C6 | - | - |
| Ignition | U18C6 | U18C6 | - | - |
| Accessory Wakeup Serial Data | U1814, U2099 | U18C6 | - | - |
| Powertrain Sensor High Speed GMLAN Serial Data (+) [ or High Speed GMLAN Serial Data (+) 7 ] |
U0076* | U0076, U18C6* | U0076* | - |
| Powertrain Sensor High Speed GMLAN Serial Data (-) [ or High Speed GMLAN Serial Data (-) 7 ] |
U0076* | U0076, U18C6* | U0076* | - |
| Ground | - | U18C6 | - | - |
| * Other DTCs may set with this fault. | ||||