B370A

Rain Sensor Internal Malfunction

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Automatic wipers do not work correctly
Wipers do not turn on automatically
False alarms of wipers

Causes

Damage to the optical element of the sensor
Sensor electronic circuit malfunction
Problems with the sensor wiring harness
Sensor contamination

How to Fix

Check the condition of the sensor and its fastening
Clean the surface of the sensor from dirt
Check the integrity of the wiring harness
Replace the rain sensor if necessary