Lane Departure Warning Calibration Required
2007-2012 Mazda CX-7 2.5L I4
Description
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.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B2401 on Other Vehicles
Common Questions
What does code B2401 mean on a 2007-2012 Mazda CX-7?
B2401 stands for "Lane Departure Warning Calibration Required". The lane departure warning camera requires recalibration, typically after windshield replacement or camera service.
What are the symptoms of B2401 on a Mazda CX-7?
Common symptoms of B2401 include: LDW system disabled, Calibration warning message, LDW not detecting lane markings, System error after windshield replacement.
What causes B2401 on a 2007-2012 Mazda CX-7?
Common causes of B2401 include: Windshield replaced without camera recalibration, Camera mounting bracket shifted, Camera firmware update needed, Alignment specification changed.