Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. 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 | - |
| Right Audio Signal (+) | 3 | 3 | 3 | - |
| Audio Common Signal (-) | 4 | 4 | 4 | - |
| Digital Radio Antenna Coax | B1259 | B1259 | B1259 | - |
| 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 4. No or distorted audio from all speakers when listening to digital radio |
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