OBD Guide
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B1404

Driver Side Airbag Deployment Control Circuit

B1404 is an OBD-II diagnostic trouble code meaning: Driver Side Airbag Deployment Control Circuit. Common causes: open or short circuit in wiring harness, airbag squib malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • No airbag response during diagnosis
  • Error message on the dashboard

Causes

  • Open or short circuit in wiring harness
  • Airbag squib malfunction
  • Problems with the airbag control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the wiring harness for breaks and short circuits
  2. Check the resistance of the airbag squib
  3. Inspect connectors for corrosion or damage
  4. Scan the airbag control unit for additional errors
  5. Replace damaged components if necessary

Related codes

B1405B1403B1402

FAQ

What does the B1404 code mean?

B1404 is an OBD-II diagnostic trouble code that indicates: Driver Side Airbag Deployment Control Circuit

What causes a B1404 error code?

The most common causes of B1404 include: Open or short circuit in wiring harness; Airbag squib malfunction; Problems with the airbag control unit; Corrosion or poor contact in connectors.

How do I fix a B1404 diagnostic trouble code?

To fix B1404: Check the wiring harness for breaks and short circuits. Check the resistance of the airbag squib. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1404?

Limited driving only, diagnose soon

How much does it cost to fix B1404?

The estimated repair cost for B1404 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat