OBD Guide

B1892

Lamp Air Bag Warning Indicator Circuit Short To Ground or Open

B1892 is an OBD-II diagnostic trouble code meaning: Lamp Air Bag Warning Indicator Circuit Short To Ground or Open. Common causes: open or short circuit in wiring harness, airbag warning lamp malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The airbag light on the dashboard is on
  • SRS can be deactivated
  • No sound signal when turning on the ignition

Causes

  • Open or short circuit in wiring harness
  • Airbag warning lamp malfunction
  • Problems with the SRS control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the indicator circuit wiring harness
  2. Check the functionality of the warning lamp
  3. Inspect connectors and contacts for corrosion
  4. Scan the SRS control unit for additional errors
  5. Replace damaged components if necessary

Related codes

FAQ

What does the B1892 code mean?

B1892 is an OBD-II diagnostic trouble code that indicates: Lamp Air Bag Warning Indicator Circuit Short To Ground or Open

What causes a B1892 error code?

The most common causes of B1892 include: Open or short circuit in wiring harness; Airbag warning lamp malfunction; Problems with the SRS control unit; Corrosion or poor contact in connectors.

How do I fix a B1892 diagnostic trouble code?

To fix B1892: Check the integrity of the indicator circuit wiring harness. Check the functionality of the warning lamp. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1892?

Do not drive — repair immediately

How much does it cost to fix B1892?

The estimated repair cost for B1892 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat