OBD Guide
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B1056

Driver Air Bag Module Short

B1056 is an OBD-II diagnostic trouble code meaning: Driver Air Bag Module Short. Common causes: damage to the airbag wiring harness, short circuit in the airbag squib. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • The SRS/airbag light on the dashboard is on
  • Restraint system error message
  • The airbag may not deploy in an accident.

Causes

  • Damage to the airbag wiring harness
  • Short circuit in the airbag squib
  • Airbag module malfunction
  • Short circuit in the airbag circuit
  • Connector problems or contact corrosion

How to Fix

  1. Carry out diagnostics with a scanner to confirm the code
  2. Visually inspect the wiring harness and airbag connectors
  3. Check the resistance in the airbag circuit
  4. Replace damaged components (harness, module, squib)
  5. Reset error and check SRS system

Related codes

B1055B1057B1000

FAQ

What does the B1056 code mean?

B1056 is an OBD-II diagnostic trouble code that indicates: Driver Air Bag Module Short

What causes a B1056 error code?

The most common causes of B1056 include: Damage to the airbag wiring harness; Short circuit in the airbag squib; Airbag module malfunction; Short circuit in the airbag circuit.

How do I fix a B1056 diagnostic trouble code?

To fix B1056: Carry out diagnostics with a scanner to confirm the code. Visually inspect the wiring harness and airbag connectors. Check the resistance in the airbag circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1056?

Limited driving only, diagnose soon

How much does it cost to fix B1056?

The estimated repair cost for B1056 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat