Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the special camera in your car that helps you see better at night is not working properly.
The B0124 code is triggered when there is a malfunction in the night vision camera system, which is designed to help drivers see better in low-light conditions.
The B0124 code indicates an issue with the night vision camera system, which may involve the camera itself, the wiring, or the control module responsible for processing the camera's input. This system uses infrared technology to detect objects and display them on a screen in the vehicle.
• Night vision display not functioning
• Warning light on the dashboard
• Reduced visibility in low-light conditions
• Faulty night vision camera
• Damaged wiring or connectors
• Malfunctioning control module
OBD-II: On-Board Diagnostics, a standardized system in vehicles for self-diagnosing and reporting.
Infrared: A type of light not visible to the human eye, used in night vision technology.
• Check for any visible damage to the night vision camera.
• Inspect wiring and connectors for damage or corrosion.
• Use a diagnostic tool to check for additional error codes.
• Replace the night vision camera if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$200 - $1000
Moderate
• Cadillac Escalade
• BMW 7 Series
• Mercedes-Benz S-Class
• Regularly inspect and clean the night vision camera lens.
• Ensure all electrical connections are secure and free of corrosion.
• Have the system checked during routine maintenance.
Sensor Issue
• Avoid driving in low-light conditions until the issue is resolved.
• Schedule a service appointment with a qualified technician.
Check with your vehicle manufacturer for warranty coverage on electronic components.
The B0124 code has been reported in vehicles equipped with advanced driver assistance systems, particularly in models featuring night vision technology.
Moderate – While the vehicle is still drivable, the night vision system enhances safety in low-light conditions.
Driving without a functioning night vision system may reduce visibility and increase the risk of accidents in low-light conditions.
• Low-light or nighttime environment
• Vehicle stationary or moving at low speed
The night vision camera is typically located near the front grille or bumper of the vehicle.
Q: Can I drive my car with the B0124 code?
A: Yes, but it's safer to avoid driving in low-light conditions until the issue is fixed.
Q: How do I reset the B0124 code?
A: After repairs, use an OBD-II scanner to clear the code. If the problem is fixed, it should not return.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Body and airbag faults often need a scanner that can access more than generic powertrain codes.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking power, ground, and continuity in body-system circuits.
View on Amazon
Universal · Fuse kit
Useful for electrical diagnosis when blown fuses or circuit faults are part of the troubleshooting process.
Useful when body electrical faults trace back to blown fuses or shared circuits.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.