OBD Guide
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B1070

Assist Air Bag Module Open

B1070 is an OBD-II diagnostic trouble code meaning: Assist Air Bag Module Open. Common causes: broken wiring harness, faulty squib. Estimated repair cost: $56–333.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–333 (est.)

Symptoms

  • Airbag light is on
  • Error message on the dashboard
  • Restraint system malfunction

Causes

  • Broken wiring harness
  • Faulty squib
  • Damaged airbag module
  • Poor contact in connectors

How to Fix

  1. Check the wiring harness for breaks
  2. Check squib resistance
  3. Inspect the airbag module connectors
  4. Replace the airbag module if necessary

Related codes

B1071B1072B1073

FAQ

What does the B1070 code mean?

B1070 is an OBD-II diagnostic trouble code that indicates: Assist Air Bag Module Open

What causes a B1070 error code?

The most common causes of B1070 include: Broken wiring harness; Faulty squib; Damaged airbag module; Poor contact in connectors.

How do I fix a B1070 diagnostic trouble code?

To fix B1070: Check the wiring harness for breaks. Check squib resistance. Inspect the airbag module connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1070?

Do not drive — repair immediately

How much does it cost to fix B1070?

The estimated repair cost for B1070 is $56–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat