Diagnostic Fault Information
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. 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 |
|---|---|---|---|---|
| Low Speed GMLAN Serial Data | 1 | U2105-U2199 | 1 | - |
| Battery Positive Voltage Circuits | U2105-U2199 | U2105-U2199 | - | - |
| Ignition Voltage Circuits | U2105-U2199 | U2105-U2199 | - | - |
| Module Ground Circuits | U2105-U2199 | U2105-U2199 | - | - |
| Accessory Wake Up Serial Data | U1814 | U2105-U2199 | - | - |
| High Speed GMLAN Serial Data Wake Up | U2099 | U2105-U2199 | - | - |
| 1. Scan tool does not communicate with low speed GMLAN device | ||||