OBD Codes

B0106

HVAC Recirculation Door Actuator Circuit Malfunction

Lowelectrical

Overview

The B0106 code indicates that the body control module has detected a hvac recirculation door actuator circuit malfunction condition. This relates to the vehicle's body electrical systems, which control comfort, convenience, and safety features. When this code is stored, the affected system or component may not operate correctly, potentially impacting safety or comfort features.

Symptoms

  • Door locks not responding to remote or switch
  • Turn signals flashing rapidly or not at all
  • Climate control not responding to inputs
  • Power window inoperative on one or more doors

Common Causes

  • Corroded battery terminals
  • Low battery voltage or failing alternator
  • Faulty SRS/airbag control module
  • Short circuit in wiring

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored body control module trouble codes
  2. 2Inspect the affected circuit fuse and relay; replace if blown or faulty
  3. 3Check the wiring harness and connectors for damage, corrosion, or loose pins
  4. 4Test circuit voltage and ground with a multimeter at the affected component
  5. 5Verify battery voltage is within specification (12.4V+ engine off)

Estimated Repair Cost

$75$800

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Toyota CamryHonda AccordMazda CX-5Hyundai Sonata

Related Codes

More Electrical Codes

Frequently Asked Questions

Driving with the airbag warning light on means the SRS system may not deploy in a crash, which significantly increases injury risk. Have the system inspected as soon as possible.