OBD Guide

B003A

Second Row Right Frontal Stage 2 Deployment Control

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

Symptoms

  • Airbag light is on
  • The passive safety system may not work in an accident
  • Error B003A in diagnostic memory

Causes

  • Open or short circuit in wiring harness
  • Second stage squib malfunction
  • Problems with the airbag control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Conduct diagnostics of the passive safety system
  2. Check the integrity of the wiring harness and connectors
  3. Check the resistance of the second stage squib
  4. If necessary, replace faulty components
  5. Reset the error and check the system operation

Related codes

Error B003A by Vehicle Brand