Troubleshooting by Symptom
Find the right check.
A symptom index linking to TEYES installation and fault-finding guides.
The unit will not start, or only starts while reset is held
Check the model-specific battery, accessory and ground supplies with your installer. For the G3 symptom, follow the power guide.
Power-testing guideReverse view is black, green, frozen or does not switch
Match your symptom to the reverse-camera guide. Camera video, camera power and the reverse trigger are separate checks.
Reverse-camera problems360 activation fails
Use the CC4 Pro activation process. If a code is rejected, contact support privately; do not post the code or serial.
CC4 Pro 360 activationSteering controls or vehicle functions do not respond
Follow the CANbus checks for your exact model and decoder. A registered decoder does not establish that every vehicle function is configured correctly.
CANbus fault findingCarPlay or Android Auto will not connect
Check the connection method supported by your model, the correct connection and a working data cable where required.
CarPlay & Android Auto fault findingLUX One factory radio works but Android audio is silent
For kits using the original vehicle AUX audio path, check the original-system source selection. Other audio paths require different checks.
LUX One Android-audio checksThe DVR stops recording or its app freezes
Follow the DVR guide, including connector and compatible memory-card checks. Save required recordings before formatting.
DVR fault findingA firmware update fails or you need the correct update method
Use the guide for your exact model. CC3 / LUX One and the CC4 range have separate update instructions.
Firmware resourcesYou need to connect the original microphone
Use the factory-microphone guide only for its named models. CC4 Pro digital and CC4 / CC4L analogue microphones are different.
Factory-microphone guideYou want a rear-screen connection
Check the head unit, rear-screen input and matching adapter together.
Rear-screen connection guideStill need help?
Send support the exact unit model, vehicle year and trim, software version, clear fault description and what you have already tried. Share purchase information privately. Do not post customer contact details, activation codes or serial numbers in the forum.