Lane Departure Warning Calibration Required
2017-2020 Toyota 86 2.0L H4
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
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B2401 on Other Vehicles
Toyota 4Runner
2010-2024 4.0L V6
Toyota Alphard
2023-2025 2.4L I4 Turbo T24A-FTS
Toyota Alphard
2023-2025 2.5L I4 Hybrid A25A-FXS
Toyota Aqua
2011-2021 1.5L I4 Hybrid 1NZ-FXE
Toyota Aqua
2021-2025 1.5L I3 Hybrid M15A-FXE
Toyota Avalon
2005-2012 3.5L V6
Toyota Avalon
2013-2018 2.5L I4
Toyota Avalon
2013-2018 3.5L V6
Common Questions
What does code B2401 mean on a 2017-2020 Toyota 86?
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 Toyota 86?
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 2017-2020 Toyota 86?
Common causes of B2401 include: Windshield replaced without camera recalibration, Camera mounting bracket shifted, Camera firmware update needed, Alignment specification changed.