OBD Guide

B3069

Left Front Door Key Unlock Switch Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Left front door unlock button does not work
  • Periodic activation of the central locking
  • Alarm when trying to unlock

Causes

  • Unlock button malfunction
  • Broken or damaged wiring harness
  • Short circuit in the circuit
  • Problems with the control unit

How to Fix

  1. Check the unlock button for damage
  2. Inspect the wiring harness for breaks or damage
  3. Check the resistance in the circuit
  4. Test the control unit

Related codes

Error B3069 by Vehicle Brand