Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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 |
|---|---|---|---|---|
| Left Audio Signal (+) | 1 | 1 | 1 | - |
| Left Audio Signal (-) | 1 | 1 | 1 | - |
| Right Audio Signal (+) | 2 | 2 | 2 | - |
| Right Audio Signal (-) | 2 | 2 | 2 | - |
| Digital Radio Antenna Coax | 3 | 3 | 3 | - |
| 1. No or distorted audio from left side speakers when listening to digital radio 2. No or distorted audio from right side speakers when listening to digital radio 3. Poor or no digital radio reception |
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