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 G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 899 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1025-B1095DTC DESCRIPTORS

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

DTC Descriptors

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION DTC Descriptors

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

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 B1025 04: Audio Output 1 Left Front Circuit Open
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 B1035 04: Audio Output 2 Right Front Circuit Open
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 B1045 04: Audio Output 3 Left Rear Circuit Open
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 B1055 04: Audio Output 4 Right Rear Circuit Open
DTC B1065 01: Audio Output 5 Circuit Short to Battery (Center IP)
DTC B1065 02: Audio Output 5 Circuit Short to Ground (Center IP)
DTC B1065 04: Audio Output 5 Circuit Open (Center IP)
DTC B1075 01: Audio Output 6 Circuit Short to Battery (Subwoofer)
DTC B1075 02: Audio Output 6 Circuit Short to Ground (Subwoofer)
DTC B1075 04: Audio Output 6 Circuit Open (Subwoofer)
DTC B1085 01: Audio Output 7 Circuit Short to Battery (LR D-Pillar)
DTC B1085 02: Audio Output 7 Circuit Short to Ground (LR D-Pillar)
DTC B1085 04: Audio Output 7 Circuit Open (LR D-Pillar)
DTC B1095 01: Audio Output 8 Circuit Short to Battery (RR D-Pillar)
DTC B1095 02: Audio Output 8 Circuit Short to Ground (RR D-Pillar)
DTC B1095 04: Audio Output 8 Circuit Open (RR D-Pillar)

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.