OBD Guide
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B1934

Air Bag Driver Inflator Circuit Resistance Low On Squib

B1934 is an OBD-II diagnostic trouble code meaning: Air Bag Driver Inflator Circuit Resistance Low On Squib. Common causes: short circuit in the squib circuit, wiring harness damage. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Airbag (SRS) light is on
  • Restraint system deactivated
  • Error B1934 is stored in the ECU memory

Causes

  • Short circuit in the squib circuit
  • Wiring harness damage
  • Faulty airbag squib
  • Contact corrosion
  • Problems with the SRS module

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the resistance in the squib circuit
  3. Inspect the wiring harness for damage
  4. Check contacts for corrosion
  5. If necessary, replace the squib or SRS module
  6. Reset errors and check the system

Related codes

B1935B1933B1932

FAQ

What does the B1934 code mean?

B1934 is an OBD-II diagnostic trouble code that indicates: Air Bag Driver Inflator Circuit Resistance Low On Squib

What causes a B1934 error code?

The most common causes of B1934 include: Short circuit in the squib circuit; Wiring harness damage; Faulty airbag squib; Contact corrosion.

How do I fix a B1934 diagnostic trouble code?

To fix B1934: Diagnose the SRS system using a scanner. Check the resistance in the squib circuit. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1934?

Do not drive — repair immediately

How much does it cost to fix B1934?

The estimated repair cost for B1934 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat