OBD Guide

B1912

Air Bag Diagnostic Monitor Ground Circuit Short To Ground

B1912 is an OBD-II diagnostic trouble code meaning: Air Bag Diagnostic Monitor Ground Circuit Short To Ground. Common causes: damaged wiring harness, contact corrosion. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • Restraint system inactive
  • Inability to diagnose the system

Causes

  • Damaged wiring harness
  • Contact corrosion
  • Diagnostic monitor malfunction
  • Short circuit in ground circuit

How to Fix

  1. Check wiring harness for damage
  2. Inspect contacts for corrosion
  3. Check the continuity of the ground circuit
  4. Replace diagnostic monitor if necessary
  5. Clear error codes and check the system

Related codes

FAQ

What does the B1912 code mean?

B1912 is an OBD-II diagnostic trouble code that indicates: Air Bag Diagnostic Monitor Ground Circuit Short To Ground

What causes a B1912 error code?

The most common causes of B1912 include: Damaged wiring harness; Contact corrosion; Diagnostic monitor malfunction; Short circuit in ground circuit.

How do I fix a B1912 diagnostic trouble code?

To fix B1912: Check wiring harness for damage. Inspect contacts for corrosion. Check the continuity of the ground circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1912?

Limited driving only, diagnose soon

How much does it cost to fix B1912?

The estimated repair cost for B1912 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat