Audi Blind Spot Sensor 4N0907566 Side Assist Lane Change Radar Module
The Audi 4N0907566 Blind Spot Sensor is an OEM-style radar module designed for Audi Side Assist, Blind Spot Monitoring and Lane Change Assist systems.
Using rear bumper radar technology, the module monitors vehicles approaching from adjacent lanes and helps provide blind spot warnings through the exterior mirror LED indicators. It is an ideal replacement or retrofit component for Audi vehicles without factory Side Assist or with a failed original radar module.
Features
OEM Replacement Blind Spot Radar Module
Designed as a replacement for Audi Side Assist radar systems, restoring blind spot monitoring functionality.
Radar-Based Vehicle Detection
The module uses rear radar technology to detect vehicles approaching from the side and rear blind areas.
Lane Change Assist Support
When another vehicle enters the detection zone, the system can activate the warning indicator on the exterior mirror.
Supports Audi Retrofit Projects
Suitable for Audi owners upgrading their vehicles with:
- Blind Spot Monitoring
- Side Assist
- Lane Change Assist
- Rear Cross Traffic Warning systems
Stable OEM Communication
Communicates with Audi vehicle electronics through the original CAN network after correct installation and coding.
Compatible Models
2019-2025 Audi A6 S6 RS6
2019-2025 Audi A7 S7 RS7
2019-2025 Audi A8 S8
2020-2025 Audi Q7 SQ7
2019-2025 Audi Q8 RSQ8
Package Includes
1 × Audi 4N0907566 Blind Spot Radar Sensor Module
Installation & Coding
Installation
The radar sensor is installed behind the rear bumper area and connected to the vehicle wiring system.
Typical retrofit installation may require:
- Radar sensor mounting brackets
- Wiring harness
- Side Assist mirror warning LEDs
- Compatible door control modules
Coding Required
After installation, coding and configuration are required using professional diagnostic equipment such as:
- ODIS
- VCDS
- VCP
The vehicle may require:
- Component protection removal
- Module coding
- Basic settings / calibration
Coding requirements depend on vehicle configuration and existing equipment.
Why Upgrade Audi Side Assist?
Improve Driving Safety
Blind spot monitoring helps detect vehicles hidden from mirror visibility.
Factory-Style Retrofit
Upgrade your Audi with OEM-style driver assistance functionality.
Better Resale Value
Advanced safety features improve vehicle equipment level.
Reliable Replacement Solution
Replace damaged or faulty radar modules without replacing the complete Side Assist system.
FAQ：
Q1: What does Audi 4N0907566 radar sensor do?
The 4N0907566 module is part of the Audi Side Assist system. It monitors surrounding vehicles and provides blind spot warnings during lane changes.
Q2: Does this module fit Audi A6 C8?
Yes. The 4N0907566 radar module is compatible with Audi A6 C8 Q8 4M platform models including A6, S6and RS6 depending on vehicle configuration.
Q3: Is coding required after installation?
Yes. Coding is normally required after installation to activate the Side Assist system and match the module with the vehicle.
Q4: Can I retrofit Side Assist if my Audi does not have blind spot monitoring?
Yes, but additional parts may be required, including wiring, mirror warning LEDs, door modules and coding.
Q5: Is 4N0907566 interchangeable with 4N0907669?
No. Audi Side Assist uses different radar modules for different sides of the vehicle. Always confirm the correct part number before ordering.
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