OBD Guide

B0084

Second Row Center Seat Belt Load Limiter Deployment Control

B0084 is an OBD-II diagnostic trouble code meaning: Second Row Center Seat Belt Load Limiter Deployment Control. Common causes: open or short circuit in wiring harness, seat belt load limiter malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • Error B0084 in the diagnostic scanner memory
  • Restraint system malfunction

Causes

  • Open or short circuit in wiring harness
  • Seat belt load limiter malfunction
  • Problems with the airbag control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect contacts and connectors for corrosion
  3. Check the resistance of the load limiter circuit
  4. If necessary, replace the load limiter or seat belt
  5. Reset the error and check the system

Related codes

Error B0084 by Vehicle Brand

FAQ

What does the B0084 code mean?

B0084 is an OBD-II diagnostic trouble code that indicates: Second Row Center Seat Belt Load Limiter Deployment Control

What causes a B0084 error code?

The most common causes of B0084 include: Open or short circuit in wiring harness; Seat belt load limiter malfunction; Problems with the airbag control unit; Corrosion or poor contact in connectors.

How do I fix a B0084 diagnostic trouble code?

To fix B0084: Check the integrity of the wiring harness. Inspect contacts and connectors for corrosion. Check the resistance of the load limiter circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0084?

Do not drive — repair immediately

How much does it cost to fix B0084?

The estimated repair cost for B0084 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat