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.
Error Codes during alignment
2019 GMC Yukon XL Denali, RWDSECTION Error Codes during alignment
| Error Code | Cause | Possible Repair |
|---|---|---|
| 0101 Front Camera 0103 Front Camera 0201 Right Camera 0203 Right Camera 0301 Rear Camera 0303 Rear Camera 0401 Left Camera 0403 Left Camera |
Lighting Issue, Obstructed View of Target, Target Position out of Range, Poor Camera installation | Correct Lighting, Reposition Target, Verify Camera correctly installed and clean. |
| 0102 Front 0202 Right 0302 Rear 0402 Left |
Lighting Issue, Obstructed View of Target, Target Position out of Range | Correct Lighting, Reposition Target, Verify Camera is clean. |
| 0104 Front 0204 Right 0304 Rear 0404 Left |
Camera Position incorrect | Correct camera position |
| 0120 Front 0220 Right 0320 Rear 0420 Left |
NTSC error detected | Verify camera electrical connection |
| FFF0 Passenger Door FFF1 Left Rear Door FFF2 Right Rear Door FFF3 Driver Door FFF4 Trunk FFF5 Hood FFF6 Liftglass |
Hood, Door, Liftgate, Trunk or other part of car OPEN | Close all doors, Hood, Liftgate, and Trunk |
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.