OBD Guide

B1B23

Right Side Curtain Squib 1 Circuit Shorted Together

B1B23 is an OBD-II diagnostic trouble code meaning: Right Side Curtain Squib 1 Circuit Shorted Together. Common causes: wiring harness damage, short circuit in the squib. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The air bag indicator is on
  • Restraint system error message
  • The curtain airbag may not deploy in an accident.

Causes

  • Wiring harness damage
  • Short circuit in the squib
  • Airbag control module malfunction
  • Contact corrosion

How to Fix

  1. Diagnose the system using a scanner
  2. Check the integrity of the wiring harness
  3. Check squib resistance
  4. Replace damaged components
  5. Reset errors and check the system

Related codes

FAQ

What does the B1B23 code mean?

B1B23 is an OBD-II diagnostic trouble code that indicates: Right Side Curtain Squib 1 Circuit Shorted Together

What causes a B1B23 error code?

The most common causes of B1B23 include: Wiring harness damage; Short circuit in the squib; Airbag control module malfunction; Contact corrosion.

How do I fix a B1B23 diagnostic trouble code?

To fix B1B23: Diagnose the system using a scanner. Check the integrity of the wiring harness. Check squib resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B23?

Do not drive — repair immediately

How much does it cost to fix B1B23?

The estimated repair cost for B1B23 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat