Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
DTC U0100-U0299
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance | ||
|---|---|---|---|---|---|---|
| Low Speed GMLAN Serial Data | (1) | U0100-U0299 | (1) | - | ||
| Battery Positive Voltage Circuits | U0100-U0299 | U0100-U0299 | - | - | ||
| Ignition Voltage Circuits | U0100-U0299 | U0100-U0299 | - | - | ||
| Module Ground Circuits | U0100-U0299 | U0100-U0299 | - | - | ||
| Accessory Wake Up Serial Data | U1814 | U0100-U0299 | - | - | ||
| High Speed GMLAN Serial Data Wake Up | U2099 | U0100-U0299 | - | - | ||
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