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 MANUALSCHEVROLET2011CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 6.6 LREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXCELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC TROUBLE CODES
2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 L
Cellular System, Entertainment System, And Navigation System - Diagnostic Trouble Codes
2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 LSECTION Cellular System, Entertainment System, And Navigation System - Diagnostic Trouble Codes
CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM - DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045, or B1055 | DTC B1025 01 Audio Output 1 Left Front Circuit Short to Battery DTC B1025 02 Audio Output 1 Left Front Circuit Short to Ground DTC B1035 01 Audio Output 2 Right Front Circuit Short to Battery DTC B1035 02 Audio Output 2 Right Front Circuit Short to Ground DTC B1045 01 Audio Output 3 Left Rear Circuit Short to Battery DTC B1045 02 Audio Output 3 Left Rear Circuit Short to Ground DTC B1055 01 Audio Output 4 Right Rear Circuit Short to Battery DTC B1055 02 Audio Output 4 Right Rear Circuit Short to Ground |
| DTC B2455 | DTC B2455 02 Cellular Phone Microphone Circuit Short to Ground DTC B2455 04 Cellular Phone Microphone Circuit Open |
| DTC B2462 (Communication Interface Module) | DTC B2462 02 Global Positioning System (GPS) Signal Short to Ground DTC B2462 04 Global Positioning System (GPS) Signal Open Circuit |
| DTC B2470 | DTC B2470 02 Cellular Phone Antenna Circuit Malfunction Short to Ground DTC B2470 04 Cellular Phone Antenna Circuit Malfunction Open Circuit |
| DTC B2476 or B2482 | DTC B2476 04 Cellular Phone Select Service Switch Open Circuit DTC B2476 59 Cellular Phone Select Service Switch Stuck Button DTC B2482 00 Cellular Phone Select Service Switch Range/Performance |
| DTC B2485 | DTC B2485 02 Wireless Communication Antenna Circuit Short to Ground DTC B2485 04 Wireless Communication Antenna Circuit Open Circuit |
RENDER: 1.0x
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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.