Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 290 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIGITAL RADIO MALFUNCTIONDIAGNOSTIC FAULT INFORMATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Diagnostic Fault Information
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 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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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.