B2AABlow severityBody
Rain Sensor Sensitivity Calibration
on 2014 Jeep Cherokee 3.2L V6 · 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
- Attempt rain sensor recalibration via scan tool
- Clean sensor area thoroughly
- Check for windshield tint or coating near sensor
- Verify sensor mounting
- Check for software updates
Repair notes
Recalibrate rain sensor. Clean windshield in sensor area. Replace sensor if recalibration fails.
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B0003
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B0005
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