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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1000 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1025-B1095DTC DESCRIPTORS

2006 Chevrolet Suburban K2500, 6.0 U

DTC Descriptors

2006 Chevrolet Suburban K2500, 6.0 USECTION DTC Descriptors

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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.