Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. 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 |
|---|---|---|---|---|
| Wake Up Signal (circuit 5986) | U209A in SDGM or U2099 in BCM | U209A* | U209D** | - |
| * Other modules will set other DTC with this fault. ** Will set DTC U209D as current with the key OFF, and as history with the key ON. Will also likely cause a parasitic drain on battery. |
||||