Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Serial Data Communication Enable | U2099 | U0100-U02FF, U1653 | 1 | - |
| Chassis High Speed GMLAN Serial Data (+) or High Speed GMLAN Serial Data (+) (2) |
U0077 | U0100-U02FF, U1653 | U0077 | - |
| Chassis High Speed GMLAN Serial Data (-) or High Speed GMLAN Serial Data (-) (2) |
U0077 | U0100-U02FF, U1653 | U0077 | - |
| 1. Battery drain condition may occur. | ||||