OBD Guide
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B1049

Driver Air Bag Module Open

B1049 is an OBD-II diagnostic trouble code meaning: Driver Air Bag Module Open. Common causes: broken wires in the srs system harness, poor contact in airbag module connectors. Estimated repair cost: $56–222.

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

Symptoms

  • The SRS light on the dashboard is on
  • Driver's airbag does not deploy in a crash
  • SRS can be completely disabled

Causes

  • Broken wires in the SRS system harness
  • Poor contact in airbag module connectors
  • Airbag module malfunction
  • Damage to the airbag squib
  • Problems with the SRS control unit

How to Fix

  1. Conduct diagnostics of the SCS system (with a special scanner)
  2. Check the integrity of the wiring harness to the airbag module
  3. Inspect connectors for oxidation or damage
  4. Check the resistance of the airbag module
  5. If necessary, replace the airbag module
  6. Reset the error and check the system operation

Related codes

B1050B1048B1000

FAQ

What does the B1049 code mean?

B1049 is an OBD-II diagnostic trouble code that indicates: Driver Air Bag Module Open

What causes a B1049 error code?

The most common causes of B1049 include: Broken wires in the SRS system harness; Poor contact in airbag module connectors; Airbag module malfunction; Damage to the airbag squib.

How do I fix a B1049 diagnostic trouble code?

To fix B1049: Conduct diagnostics of the SCS system (with a special scanner). Check the integrity of the wiring harness to the airbag module. Inspect connectors for oxidation or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1049?

Do not drive — repair immediately

How much does it cost to fix B1049?

The estimated repair cost for B1049 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat