ACC repair kit for Honda vehicle to fix DTC U3000-49 (Old Improved Version)

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Most failures of the Honda ACC adaptive cruise camera stem from inadequate heat dissipation. High operating temperatures end up damaging internal components.

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U3000-49 is defined as "Internal Electronic Failure of a Control Unit." Within the Honda Sensing architecture, this points to a hardware failure inside the Multipurpose Camera Unit (MPCU) mounted behind the windshield. Once the camera fails, ACC, LKAS, CMBS, RDM, and Auto High-Beam go offline simultaneously, producing a cascade of dashboard warnings.

The most common root cause is prolonged thermal stress. The camera sits in a black housing directly against the windshield, where solar loading creates extreme heat buildup that degrades internal chips, solder joints, or the image sensor.

What This Kit Does

This Old Version repair kit supplies the core electronic components needed to address internal circuit-level failures associated with the U3000-49 fault. It is intended for professional automotive electronics technicians and repair shops that perform board-level repair on Honda ACC camera modules.

Improvement Highlights

This is an improved old version repair solution. It has been upgraded to deliver better reliability and heat resistance while retaining all original vehicle functions. After installation, ACC, LKAS, CMBS, RDM, Auto High-Beam and other camera-supported systems keep working exactly as the factory intended.

• Direct replacement with no calibration required
• Solves the U3000-49 fault while retaining the LKAS lane keeping assist function

Pre-Installation Diagnostic Checklist

• Verify stable system voltage (resting voltage ≥ 12.4V)
• Unplug and re-seat the camera connector; inspect for bent, corroded, or pushed-back pins
• Use a multimeter to confirm stable power and solid ground at the harness side
• Clean the windshield area in front of the camera lens
• Clear the DTC with an HDS scan tool, power-cycle the ignition, and road test to confirm fault persistence

Kit Contents

• Replacement PCB
• IC chips
• Resistors and capacitors
• Detailed installation guide

Important Notes

Board-level repair requires microsoldering skills and proper ESD protection. Severe image-sensor damage may not be repairable at the circuit level. For critical safety systems, Honda recommends genuine camera replacement followed by static and dynamic ADAS calibration.

Technical Specifications

Fault Code	U3000-49
System	Honda ACC / Honda Sensing
Product Type	Electronic Repair Kit
Components	PCB Board, IC Chips, Resistors, Capacitors
Installation	Board-level repair; professional installation recommended
Warranty	1 Year
MOQ	1 pc
Lead Time	5-10 Working Days

Contact

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