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 C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1428 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1289DIAGNOSTIC FAULT INFORMATION
2006 Chevrolet Suburban C2500, 6.0 U
Diagnostic Fault Information
2006 Chevrolet Suburban C2500, 6.0 USECTION Diagnostic Fault Information
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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 |
|---|---|---|---|---|
| DVD Display B+ | 1 | 1 | 1 | - |
| Radio ON Signal | 1 | 1 | 1 | - |
| Video Display Brightness Control | B1289 02 | B1289 04 | B1289 01 | - |
| Video Display Mode Control | B1288 02 | B1288 04 | B1288 01 | - |
| Video High Signal | 1 | 1 | 1 | - |
| Video Low Signal | 1 | 1 | 1 | - |
| DVD Display Ground | - | 1 | - | - |
| 1. Video Entertainment System Inoperative. | ||||
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.