B2AABlow severityBody
Rain Sensor Sensitivity Calibration
on 2010 Toyota Highlander 3.3L V6 Hybrid · 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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open