Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 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 |
|---|---|---|---|---|
| BCM B+ | U1866*, U0140 in EBCM | U1866*, U0140 in EBCM | - | - |
| BCM Ground | - | U1866*, U0140 in EBCM | - | - |
| HSGMLAN + (circuit 2500) | 1* | U1866*, U0140 in EBCM | 1* | - |
| HSGMLAN - (circuit 2501) | 1* | U1866*, U0140 in EBCM | 1* | - |
| * Other modules/DTCs will set with this fault. 1. Scan tool does not communicate with high speed GMLAN device. |
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