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 |
|---|---|---|---|---|
| B+ Voltage | - | 1 | - | - |
| Left Audio Signal (+) | 2 | 2 | 2 | - |
| Left Audio Signal (-) | 2 | 2 | 2 | - |
| Right Audio Signal (+) | 3 | 3 | 3 | - |
| Right Audio Signal (-) | 3 | 3 | 3 | - |
| Digital Radio Antenna Coax | B1259 02 | B1259 05 | B1259 05 | - |
| Ground | - | 1 | - | - |
| 1. No communication with DRR/XM not available 2. No or distorted audio from left side speakers when listening to digital radio 3. No or distorted audio from right side speakers when listening to digital radio |
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