OBD Guide
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B2231

Air Bag Passenger Circuit Short To Battery

B2231 is an OBD-II diagnostic trouble code meaning: Air Bag Passenger Circuit Short To Battery. Common causes: wiring harness damage, short circuit in the circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Light up IU994385it airbag indicator
  • Disabling the passenger airbag
  • Error message on display

Causes

  • Wiring harness damage
  • Short circuit in the circuit
  • Contact corrosion
  • Airbag malfunction
  • Problems with connectors

How to Fix

  1. Diagnostics with SRS system scanner
  2. Checking the integrity of the wiring harness
  3. Inspection of connectors and contacts
  4. Squib resistance measurement
  5. Replacing damaged components
  6. Error reset and system check

Related codes

B2232B2230B1000

FAQ

What does the B2231 code mean?

B2231 is an OBD-II diagnostic trouble code that indicates: Air Bag Passenger Circuit Short To Battery

What causes a B2231 error code?

The most common causes of B2231 include: Wiring harness damage; Short circuit in the circuit; Contact corrosion; Airbag malfunction.

How do I fix a B2231 diagnostic trouble code?

To fix B2231: Diagnostics with SRS system scanner. Checking the integrity of the wiring harness. Inspection of connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2231?

Limited driving only, diagnose soon

How much does it cost to fix B2231?

The estimated repair cost for B2231 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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