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2020 MAZDA MAZDA3
2.5L Skyactiv-G I4 (186 hp)•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6478Fluid16DTC2264Battery2Maintenance0Recalls2
B2AABlow severityBody

Rain Sensor Sensitivity Calibration

on 2020 Mazda Mazda3 2.5L Skyactiv-G I4 (186 hp) · AWD

What this code means

The rain sensor sensitivity calibration is outside expected parameters or has been lost.

Symptoms

  • Auto wipers too sensitive or not sensitive enough
  • Wipers not responding proportionally to rain
  • Auto wiper delay incorrect

Common causes

  • Sensor calibration lost after battery disconnect
  • Windshield replacement affected calibration
  • Sensor contamination
  • Software update needed

Diagnostic steps

  1. Attempt rain sensor recalibration via scan tool
  2. Clean sensor area thoroughly
  3. Check for windshield tint or coating near sensor
  4. Verify sensor mounting
  5. Check for software updates

Repair notes

Recalibrate rain sensor. Clean windshield in sensor area. Replace sensor if recalibration fails.

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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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