B370C

Rain Sensor Intensity Signal Circuit

Severity

✅ Low

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

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

Causes

Broken or damaged rain sensor wiring harness
Rain sensor malfunction
Poor contact in the sensor connector
Problems with the body control module

How to Fix

Check the integrity of the rain sensor wiring harness
Inspect the connectors and contacts of the sensor for oxidation
Check the functionality of the rain sensor
If necessary, replace the sensor or repair the wiring harness
Reset the error and check the system operation

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