Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. 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 |
|---|---|---|---|---|
| 12 V Reference | U0126 00, C0710 4B | U0126 00 | - | C0710 00 |
| High Serial Data | U0077 00, U0126 00, U0151 00, U0403 71 | U0077 00, U0126 00, U0151 00, U0403 71 | U0077 00, U0403 71 | C0710 71, C0710 5A |
| Low Serial Data | U0077 00, U0126 00, U0151 00, U0403 71 | U0077 00, U0126 00, U0151 00, U0403 71 | U0077 00, U0403 71 | C0710 71, C0710 5A |
| Ground | - | U0126 00 | - | - |