Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 Cadillac DTS. 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 |
|---|---|---|---|---|
| Linear Interconnect Network Bus 1 | U1500 02 | U1511/U1512* | U1500 01 | - |
| Linear Interconnect Network Bus 2 | U1500 02 | U1511/U1512* | U1500 01 | - |
| Battery Positive Voltage (Front Window Motor) | U1511** | U1511 | - | - |
| Battery Positive Voltage (Rear Window Motor) | U1512** | U1512 | - | - |
| Ground (Front Window Motor) | - | U1511 | - | - |
| Ground (Rear Window Motor) | - | U1512 | - | - |
| *An open between a door module and the splice will cause both DTCs, and an open between the splice and the window motor will cause only 1 DTC. **A short to ground on B+ to any window motor will cause all windows to be inoperative due the use of a single circuit breaker for all window motors. DTC U1511 and U1512 will be set in both the driver and passenger door modules. |
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