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Fault Code U0231

Code meaning, symptoms, possible causes, part number, and estimated cost.

U0231

Lost Communication With Rain Sensing Module

Severity: Medium

Code U0231 indicates a loss of communication between the main control unit (ECM/PCM) and the Rain Sensing Module. This can affect the operation of automatic wipers.

Part Details

Part Name

Rain Sensing Module

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪400 - ₪1200

Engine Location

Windshield/Headliner

Symptoms

  • Automatic wipers not functioning
  • Error message on dashboard
  • Unexpected wiper operation
  • Other communication-affected functions

Possible Causes

  • 1Damaged wiring or loose connector
  • 2Defective Rain Sensing Module
  • 3Vehicle computer (ECM/PCM) issue
  • 4CAN communication network interference

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