OBD Guide

B11D8

Restraint Event Notification

B11D8 is an OBD-II diagnostic trouble code meaning: Restraint Event Notification. Common causes: airbag or pretensioner deployment, open or short circuit in wiring harness. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Airbag light is on
  • Restraint system inactive
  • Event log entries

Causes

  • Airbag or pretensioner deployment
  • Open or short circuit in wiring harness
  • Shock sensor malfunction
  • Problems with the restraint control module

How to Fix

  1. Diagnose the passive safety system using a scanner
  2. Check the integrity of the wiring harness and connections
  3. Inspect airbags and pretensioners for deployment
  4. Replace damaged components if necessary
  5. Reset the error and check the system

Related codes

FAQ

What does the B11D8 code mean?

B11D8 is an OBD-II diagnostic trouble code that indicates: Restraint Event Notification

What causes a B11D8 error code?

The most common causes of B11D8 include: Airbag or pretensioner deployment; Open or short circuit in wiring harness; Shock sensor malfunction; Problems with the restraint control module.

How do I fix a B11D8 diagnostic trouble code?

To fix B11D8: Diagnose the passive safety system using a scanner. Check the integrity of the wiring harness and connections. Inspect airbags and pretensioners for deployment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B11D8?

Do not drive — repair immediately

How much does it cost to fix B11D8?

The estimated repair cost for B11D8 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat