OBD Guide

B0109

LIDAR Washer Actuator D

B0109 is an OBD-II diagnostic trouble code meaning: LIDAR Washer Actuator D. Common causes: lidar wiper actuator malfunction, open or short circuit in wiring harness. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Error message on the dashboard
  • Disabling the LIDAR system or related features
  • Inability to activate LIDAR sensor cleaning

Causes

  • LIDAR wiper actuator malfunction
  • Open or short circuit in wiring harness
  • Problems with the control unit
  • Dirty or damaged LIDAR sensor

How to Fix

  1. Check the condition of the LIDAR sensor and its cleaner
  2. Check wiring harness for open or short circuit
  3. Check the wiper actuator for functionality
  4. Check the control unit for errors
  5. Replace faulty components

Related codes

Error B0109 by Vehicle Brand

FAQ

What does the B0109 code mean?

B0109 is an OBD-II diagnostic trouble code that indicates: LIDAR Washer Actuator D

What causes a B0109 error code?

The most common causes of B0109 include: LIDAR wiper actuator malfunction; Open or short circuit in wiring harness; Problems with the control unit; Dirty or damaged LIDAR sensor.

How do I fix a B0109 diagnostic trouble code?

To fix B0109: Check the condition of the LIDAR sensor and its cleaner. Check wiring harness for open or short circuit. Check the wiper actuator for functionality. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0109?

Limited driving only, diagnose soon

How much does it cost to fix B0109?

The estimated repair cost for B0109 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat