OBD Guide
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B1862

Short to Ground in Driver Side Knee Airbag Squib Circuit

B1862 is an OBD-II diagnostic trouble code meaning: Short to Ground in Driver Side Knee Airbag Squib Circuit. Common causes: wiring harness damage, airbag squib malfunction. 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
  • Error message on the dashboard
  • Restraint system malfunction

Causes

  • Wiring harness damage
  • Airbag squib malfunction
  • Short circuit in the circuit
  • Problems with the SRS control unit

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the airbag squib
  3. Check circuit continuity
  4. If necessary, replace the squib or wiring harness.
  5. Reset the error and check the system

Related codes

B1860B1861B1863

FAQ

What does the B1862 code mean?

B1862 is an OBD-II diagnostic trouble code that indicates: Short to Ground in Driver Side Knee Airbag Squib Circuit

What causes a B1862 error code?

The most common causes of B1862 include: Wiring harness damage; Airbag squib malfunction; Short circuit in the circuit; Problems with the SRS control unit.

How do I fix a B1862 diagnostic trouble code?

To fix B1862: Check wiring harness for damage. Check the resistance of the airbag squib. Check circuit continuity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1862?

Do not drive — repair immediately

How much does it cost to fix B1862?

The estimated repair cost for B1862 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat