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2020 MAZDA MAZDA3
2.0L I4•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor492Torque3127Fluid7DTC1132Battery1Maintenance0Recalls2
B2401moderate severityBody

Lane Departure Warning Calibration Required

on 2020 Mazda Mazda3 2.0L I4 · FWD

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

  1. Verify camera mounting bracket alignment
  2. Perform static or dynamic camera calibration
  3. Check for required calibration targets
  4. Verify calibration environment meets requirements
  5. Check for software updates

Repair notes

Perform ADAS camera calibration using manufacturer procedure. Static calibration requires specific targets and distances.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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