OBD Guide

B232A

Rain Sensor Optical Path 2 Performance

B232A is an OBD-II diagnostic trouble code meaning: Rain Sensor Optical Path 2 Performance. Common causes: rain sensor optical element is dirty or damaged, problems with the sensor wiring harness. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Automatic wipers do not work correctly
  • Wipers do not respond to rain
  • False operation of wipers in dry weather
  • Error message on the dashboard

Causes

  • Rain sensor optical element is dirty or damaged
  • Problems with the sensor wiring harness
  • Malfunction of the rain sensor itself
  • Problems with the control unit software

How to Fix

  1. Check and clean the optical element of the rain sensor
  2. Check the integrity of the wiring harness and the quality of contacts
  3. Diagnose the sensor using a scanner
  4. If necessary, replace the rain sensor

Related codes

FAQ

What does the B232A code mean?

B232A is an OBD-II diagnostic trouble code that indicates: Rain Sensor Optical Path 2 Performance

What causes a B232A error code?

The most common causes of B232A include: Rain sensor optical element is dirty or damaged; Problems with the sensor wiring harness; Malfunction of the rain sensor itself; Problems with the control unit software.

How do I fix a B232A diagnostic trouble code?

To fix B232A: Check and clean the optical element of the rain sensor. Check the integrity of the wiring harness and the quality of contacts. Diagnose the sensor using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B232A?

Limited driving only, diagnose soon

How much does it cost to fix B232A?

The estimated repair cost for B232A is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat