OBD Guide

B1BA5

Air Bag Squib Configuration Mismatch

B1BA5 is an OBD-II diagnostic trouble code meaning: Air Bag Squib Configuration Mismatch. Common causes: incorrect squib connection, wiring harness damage. 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
  • The passive safety system can be disabled

Causes

  • Incorrect squib connection
  • Wiring harness damage
  • Replacing components without flashing the control unit
  • Malfunction of the airbag control unit

How to Fix

  1. Check the squib connection
  2. Inspect the wiring harness for damage
  3. Check system configuration using diagnostic equipment
  4. If necessary, reflash the control unit

Related codes

FAQ

What does the B1BA5 code mean?

B1BA5 is an OBD-II diagnostic trouble code that indicates: Air Bag Squib Configuration Mismatch

What causes a B1BA5 error code?

The most common causes of B1BA5 include: Incorrect squib connection; Wiring harness damage; Replacing components without flashing the control unit; Malfunction of the airbag control unit.

How do I fix a B1BA5 diagnostic trouble code?

To fix B1BA5: Check the squib connection. Inspect the wiring harness for damage. Check system configuration using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1BA5?

Limited driving only, diagnose soon

How much does it cost to fix B1BA5?

The estimated repair cost for B1BA5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat