Diagnostic Fault Information
WARNING: This page is about a different car, the 2015 Cadillac SRX. 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+ | U0121, U0129, U1833 | U0121, U0129, U1833 | - | - |
| Ignition | U0121, U0129, U1833 | U0121, U0129, U1833 | - | - |
| Serial Data Communication Enable | U1814, U2099 | U0121, U0129, U1833 | - | - |
| Chassis High Speed GMLAN Serial Data (+) | U0077* | U0077* | U0077* | - |
| Chassis High Speed GMLAN Serial Data (-) | U0077* | U0077* | U0077* | - |
| Ground | - | U0121, U0129, U1833 | - | - |
| * Other DTCs may set with this fault. | ||||