OBD Guide
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B1935

Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault

B1935 is an OBD-II diagnostic trouble code meaning: Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault. Common causes: short circuit in the squib circuit, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The passive safety system can be disabled
  • Possible errors in other airbag circuits

Causes

  • Short circuit in the squib circuit
  • Wiring harness damage
  • Squib malfunction
  • Contact corrosion
  • Problems with the airbag module

How to Fix

  1. Check the resistance of the squib circuit
  2. Inspect the wiring harness for damage
  3. Check contacts for corrosion
  4. Replace the squib if necessary
  5. Check the airbag module

Related codes

B1930B1931B1932B1933B1934

FAQ

What does the B1935 code mean?

B1935 is an OBD-II diagnostic trouble code that indicates: Air Bag Passenger Inflator Circuit Resistance Low On Squib Fault

What causes a B1935 error code?

The most common causes of B1935 include: Short circuit in the squib circuit; Wiring harness damage; Squib malfunction; Contact corrosion.

How do I fix a B1935 diagnostic trouble code?

To fix B1935: Check the resistance of the squib circuit. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1935?

Do not drive — repair immediately

How much does it cost to fix B1935?

The estimated repair cost for B1935 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat