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 MANUALSGMC2016SIERRA 3500 HD SLE, 4D CAB CHASSIS, 6.6L ENG VIN 8, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASOBJECT DETECTION SYSTEM AND PEDESTRIAN PROTECTION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESREAR VISION CAMERA SYSTEM MALFUNCTION (WITH IO4/IO5/IO6)DIAGNOSTIC FAULT INFORMATION
2016 GMC Sierra 3500 HD SLE, 4D Cab Chassis, 6.6L Eng VIN 8, 4WD
Diagnostic Fault Information
2016 GMC Sierra 3500 HD SLE, 4D Cab Chassis, 6.6L Eng VIN 8, 4WDSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Ignition | B127B 2B, 1 | B127B 2B, 1 | - | - |
| Backup Signal | B127B 2B | B127B 2B, 1 | - | - |
| Camera Module signal + | B127B 2B, 3 | B127B 2B, 1 | B127B 2B, 2 | - |
| Camera Module signal - | B127B 2B, 3 | B127B 2B, 1 | B127B 2B, 1 | - |
| Ground | - | B127B 2B, 1 | - | - |
| Shield | - | 3 | - | - |
| 1. Rear vision camera inoperative 2. Rear vision camera image always displayed 3. Poor Quality Image |
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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.