Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ | U1860 | U1860 | - | - |
| Ignition | U1860 | U1860 | - | - |
| Accessory WakeUp Serial Data | U1814, U2099 | U1860 | - | - |
| High Speed GMLAN Serial Data (+) | U0073* | U0073, U1860 | U0073* | - |
| High Speed GMLAN Serial Data (-) | U0073* | U0073, U1860 | U0073* | - |
| Ground | - | U1860 | - | - |
| * Scan Tool Does Not Communicate With High Speed GMLAN Device | ||||