OBD Guide

B232B

Rain Sensor Optical Path 3 Performance

B232B is an OBD-II diagnostic trouble code meaning: Rain Sensor Optical Path 3 Performance. Common causes: sensor optical circuit is dirty, damage to the rain sensor. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • False operation of wipers
  • Malfunction of automatic wiper mode
  • Error on the dashboard

Causes

  • Sensor optical circuit is dirty
  • Damage to the rain sensor
  • Wiring Harness Problems
  • Control unit malfunction

How to Fix

  1. Check the cleanliness of the optical circuit of the sensor
  2. Diagnose a rain sensor using a scanner
  3. Check the integrity of the wiring harness
  4. Replace sensor if necessary

Related codes

FAQ

What does the B232B code mean?

B232B is an OBD-II diagnostic trouble code that indicates: Rain Sensor Optical Path 3 Performance

What causes a B232B error code?

The most common causes of B232B include: Sensor optical circuit is dirty; Damage to the rain sensor; Wiring Harness Problems; Control unit malfunction.

How do I fix a B232B diagnostic trouble code?

To fix B232B: Check the cleanliness of the optical circuit of the sensor. Diagnose a rain sensor using a scanner. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B232B?

Limited driving only, diagnose soon

How much does it cost to fix B232B?

The estimated repair cost for B232B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat