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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1327 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1025-B1125DTC DESCRIPTORS

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

DTC Descriptors

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION DTC Descriptors

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 B1085 01: Audio Output 7 Circuit Short to Battery (LR Shelf)
DTC B1085 02: Audio Output 7 Circuit Short to Ground (LR Shelf)
DTC B1085 04: Audio Output 7 Circuit Open (LR Shelf)
DTC B1095 01: Audio Output 8 Circuit Short to Battery (RR Shelf)
DTC B1095 02: Audio Output 8 Circuit Short to Ground (RR Shelf)
DTC B1095 04: Audio Output 8 Circuit Open (RR Shelf)
DTC B1105 01: Audio Output 9 Circuit Short to Battery (LF IP)
DTC B1105 02: Audio Output 9 Circuit Short to Ground (LF IP)
DTC B1105 04: Audio Output 9 Circuit Open (LF IP)
DTC B1115 01: Audio Output 10 Circuit Short to Battery (RF IP)
DTC B1115 02: Audio Output 10 Circuit Short to Battery (RF IP)
DTC B1115 04: Audio Output 10 Circuit Open (RF IP)

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.