OBD Guide

B00B4

Driver Seat Occupant Classification Sensor E

Severity
⚠️ Medium
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 correctly
  • Lack of airbag response in an emergency situation

Causes

  • Open or shorted wiring harness
  • Malfunction of the driver's weight classification sensor (stage E)
  • Problems with contacts in connectors
  • Airbag module malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the contacts in the connectors for oxidation
  3. Test the sensor resistance (compare with reference values)
  4. Replace sensor if necessary
  5. Reset the error with an OBD-II scanner

Related codes

Error B00B4 by Vehicle Brand