OBD Guide

B004B

Third Row Right Frontal Stage 3 Deployment Control

B004B is an OBD-II diagnostic trouble code meaning: Third Row Right Frontal Stage 3 Deployment Control. Common causes: open or short circuit in wiring harness, airbag squib malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Airbag light is on
  • Diagnostic system shows error B004B
  • Possible problems with other airbags

Causes

  • Open or short circuit in wiring harness
  • Airbag squib malfunction
  • Problems with the restraint control module
  • Contact corrosion

How to Fix

  1. Conduct diagnostics of the passive safety system
  2. Check the integrity of the wiring harness and contacts
  3. Replace faulty squib or wiring harness
  4. Reflash or replace the control module if necessary

Related codes

Error B004B by Vehicle Brand

FAQ

What does the B004B code mean?

B004B is an OBD-II diagnostic trouble code that indicates: Third Row Right Frontal Stage 3 Deployment Control

What causes a B004B error code?

The most common causes of B004B include: Open or short circuit in wiring harness; Airbag squib malfunction; Problems with the restraint control module; Contact corrosion.

How do I fix a B004B diagnostic trouble code?

To fix B004B: Conduct diagnostics of the passive safety system. Check the integrity of the wiring harness and contacts. Replace faulty squib or wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B004B?

Do not drive โ€” repair immediately

How much does it cost to fix B004B?

The estimated repair cost for B004B is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat