OBD Guide

B2584

Child Seat Detection Circuit Open

B2584 is an OBD-II diagnostic trouble code meaning: Child Seat Detection Circuit Open. Common causes: broken or damaged child seat sensor wiring harness, malfunction of the child seat sensor itself. Estimated repair cost: $56–167.

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

Symptoms

  • SRS (airbag) indicator is on
  • The passive safety system can deactivate the front passenger airbag
  • The system does not respond to the installation of a child seat

Causes

  • Broken or damaged child seat sensor wiring harness
  • Malfunction of the child seat sensor itself
  • Poor contact in sensor connectors
  • Problems with the SRS control unit

How to Fix

  1. Perform a visual inspection of the child seat sensor wiring harness and connectors.
  2. Check continuity with a multimeter
  3. Replace damaged wires or connectors
  4. If necessary, replace the child seat sensor
  5. Reset the error using an OBD-II scanner

Related codes

FAQ

What does the B2584 code mean?

B2584 is an OBD-II diagnostic trouble code that indicates: Child Seat Detection Circuit Open

What causes a B2584 error code?

The most common causes of B2584 include: Broken or damaged child seat sensor wiring harness; Malfunction of the child seat sensor itself; Poor contact in sensor connectors; Problems with the SRS control unit.

How do I fix a B2584 diagnostic trouble code?

To fix B2584: Perform a visual inspection of the child seat sensor 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 B2584?

Do not drive — repair immediately

How much does it cost to fix B2584?

The estimated repair cost for B2584 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat