OBD Guide

B1B0A

Passenger Airbag Squib 1 Circuit Open

B1B0A is an OBD-II diagnostic trouble code meaning: Passenger Airbag Squib 1 Circuit Open. Common causes: open or short circuit in airbag wiring harness, oxidation of contacts in srs system connectors. Estimated repair cost: $56–333.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–333 (est.)

Symptoms

  • SRS/Airbag light is on
  • Restraint system error message on the dashboard
  • Possible false SRS alarm alarms

Causes

  • Open or short circuit in airbag wiring harness
  • Oxidation of contacts in SRS system connectors
  • Airbag squib malfunction
  • Damage to the airbag module
  • Problems with the SRS control unit

How to Fix

  1. Diagnose the SRS system with a scanner
  2. Inspect the airbag wiring harness and connectors for damage.
  3. Check the resistance of the squib circuit
  4. If necessary, replace damaged wires or connectors
  5. If no cause is found, the airbag module or SRS control unit may need to be replaced.

Related codes

FAQ

What does the B1B0A code mean?

B1B0A is an OBD-II diagnostic trouble code that indicates: Passenger Airbag Squib 1 Circuit Open

What causes a B1B0A error code?

The most common causes of B1B0A include: Open or short circuit in airbag wiring harness; Oxidation of contacts in SRS system connectors; Airbag squib malfunction; Damage to the airbag module.

How do I fix a B1B0A diagnostic trouble code?

To fix B1B0A: Diagnose the SRS system with a scanner. Inspect the airbag wiring harness and connectors for damage.. Check the resistance of the squib circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B0A?

Limited driving only, diagnose soon

How much does it cost to fix B1B0A?

The estimated repair cost for B1B0A is $56–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat