U0231

Lost Communication With Rain Sensing Module

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Automatic wipers do not turn on when it rains
Check Engine Light or Other Dashboard Warning Light
Even in heavy rain, the wipers do not respond automatically
Possible errors in other related systems

Causes

Open or short circuit in the rain sensor circuit
Rain sensor module malfunction
Connector problems or contact corrosion
Main control unit malfunction
Wiring Harness Problems

How to Fix

Check the continuity of the rain sensor circuit
Inspect connectors and contacts for corrosion or damage
Check the power supply and ground of the rain sensor
Test or replace the rain sensor module
Scan the system for other errors

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