OBD Guide
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B1831

Open in Curtain Shield Squib Right Circuit

B1831 is an OBD-II diagnostic trouble code meaning: Open in Curtain Shield Squib Right Circuit. Common causes: broken or damaged wires in the right squib circuit, malfunction of the squib itself. Estimated repair cost: $56–167.

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

Symptoms

  • SRS/Airbag light is on
  • Curtain airbag does not deploy during testing
  • Error message on the dashboard

Causes

  • Broken or damaged wires in the right squib circuit
  • Malfunction of the squib itself
  • Corrosion or poor contact in connectors
  • Problems with the SRS control module

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the integrity of the wiring and connectors in the right squib circuit
  3. Replace damaged wires or connectors
  4. Check squib resistance (must meet specification)
  5. If necessary, replace the squib or SRS module
  6. Reset the error and check the system

Related codes

B1830B1832B1000

FAQ

What does the B1831 code mean?

B1831 is an OBD-II diagnostic trouble code that indicates: Open in Curtain Shield Squib Right Circuit

What causes a B1831 error code?

The most common causes of B1831 include: Broken or damaged wires in the right squib circuit; Malfunction of the squib itself; Corrosion or poor contact in connectors; Problems with the SRS control module.

How do I fix a B1831 diagnostic trouble code?

To fix B1831: Diagnose the SRS system using a scanner. Check the integrity of the wiring and connectors in the right squib circuit. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1831?

Do not drive — repair immediately

How much does it cost to fix B1831?

The estimated repair cost for B1831 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat