OBD Guide

B00B0

Driver Seat Occupant Classification Sensor A

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

Symptoms

  • Airbag light is on
  • The restraint system may not function optimally
  • False seat belt warning

Causes

  • Mechanical damage to the OCS sensor
  • Open or shorted wiring harness
  • Contact corrosion
  • SRS module software error
  • Incorrect sensor calibration

How to Fix

  1. Diagnosing fault codes with an SRS scanner
  2. Checking OCS Sensor Resistance
  3. Inspect the wiring harness for damage
  4. Clean contacts or replace sensor if necessary
  5. Software calibration of the system after repair

Related codes

Error B00B0 by Vehicle Brand