Pros
✅ Retains factory screen and steering wheel controls
✅ Clean video quality – no lag (on most firmware versions)
✅ Doesn’t require dealer programming
Cons
❌ Instructions are often poorly translated or generic
❌ Module size can be bulky – finding space behind radio is tight
❌ Some units need a separate “CAN bus decoder” for automatic reverse detection (check before buying)
❌ Occasional need to tap into fuse box for constant power if T-harness lacks it
sudo apt update && sudo apt upgrade -y
sudo apt install -y build-essential cmake git libusb-1.0-0-dev libavcodec-dev libavformat-dev libswscale-dev
Some versions of the SSIS951MP4 driver use a test-signed kernel module. To install on Windows 10/11: ssis951mp4 install
For headless or embedded Linux systems, the install process is command-line driven.
cd ../ssis951mp4_utils
./configure --prefix=/usr/local
make
sudo make install
Then install the systemd service for auto-start: Pros ✅ Retains factory screen and steering wheel
sudo cp systemd/ssis951mp4.service /etc/systemd/system/
sudo systemctl enable ssis951mp4.service
sudo systemctl start ssis951mp4.service
Cause: Windows’ Secure Boot or Driver Signature Enforcement blocks the kernel driver.
Fix:
Harness connection
Camera trigger wire
Video routing
Module programming