OBD Guide

U065B

Lost Communication With Left Front Mode Actuator

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Security system disabled
  • Error when diagnosing the SRS system
  • Seat belt pretensioners do not work

Causes

  • Broken or damaged wiring harness
  • Left front safety module malfunction
  • Module power problems
  • Contact corrosion
  • Security ECU malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the power supply and ground of the module
  3. Inspect contacts for corrosion
  4. Test the module on another car
  5. Repair only from an authorized dealer

Related codes

Error U065B by Vehicle Brand