OBD Guide
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B1B22

Right Side Curtain Squib 1 Circuit Open

B1B22 is an OBD-II diagnostic trouble code meaning: Right Side Curtain Squib 1 Circuit Open. Common causes: broken or damaged wiring harness, oxidation of contacts in connectors. 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
  • SRS can be deactivated
  • No response from curtain airbags during testing

Causes

  • Broken or damaged wiring harness
  • Oxidation of contacts in connectors
  • Curtain squib malfunction
  • Problems with the SRS control unit

How to Fix

  1. Conduct a visual inspection of the wiring harness and connectors
  2. Check continuity with a multimeter
  3. Replace damaged wires or connectors
  4. Test and replace the squib if necessary
  5. Reset the error and check the system

Related codes

B1B21B1B23

FAQ

What does the B1B22 code mean?

B1B22 is an OBD-II diagnostic trouble code that indicates: Right Side Curtain Squib 1 Circuit Open

What causes a B1B22 error code?

The most common causes of B1B22 include: Broken or damaged wiring harness; Oxidation of contacts in connectors; Curtain squib malfunction; Problems with the SRS control unit.

How do I fix a B1B22 diagnostic trouble code?

To fix B1B22: Conduct a visual inspection of the wiring harness and connectors. Check continuity with a multimeter. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B22?

Limited driving only, diagnose soon

How much does it cost to fix B1B22?

The estimated repair cost for B1B22 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat