B2401moderate severityBody
Lane Departure Warning Calibration Required
on 2023 Mazda Mazda3 2.0L I4 · AWD
What this code means
The lane departure warning camera requires recalibration, typically after windshield replacement or camera service.
Symptoms
- LDW system disabled
- Calibration warning message
- LDW not detecting lane markings
- System error after windshield replacement
Common causes
- Windshield replaced without camera recalibration
- Camera mounting bracket shifted
- Camera firmware update needed
- Alignment specification changed
Diagnostic steps
- Verify camera mounting bracket alignment
- Perform static or dynamic camera calibration
- Check for required calibration targets
- Verify calibration environment meets requirements
- Check for software updates
Repair notes
Perform ADAS camera calibration using manufacturer procedure. Static calibration requires specific targets and distances.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0009
Rear Center Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment