OBD Guide
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B1994

Driver Side Side Mount Airbag Circuit Open

B1994 is an OBD-II diagnostic trouble code meaning: Driver Side Side Mount Airbag Circuit Open. Common causes: broken/damaged airbag wiring harness, airbag squib malfunction. Estimated repair cost: $56–222.

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

Symptoms

  • SRS/airbag light is on
  • Restraint system error message
  • Driver side airbag malfunction

Causes

  • Broken/damaged airbag wiring harness
  • Airbag squib malfunction
  • Poor contact in connectors
  • SRS control module malfunction
  • Contact corrosion

How to Fix

  1. Diagnostics with SRS scanner
  2. Checking the integrity of the wiring harness
  3. Squib resistance measurement
  4. Inspection of connectors and contacts
  5. Replacing damaged components
  6. Resetting errors and checking the system

Related codes

B1995B1993B1992B1000

FAQ

What does the B1994 code mean?

B1994 is an OBD-II diagnostic trouble code that indicates: Driver Side Side Mount Airbag Circuit Open

What causes a B1994 error code?

The most common causes of B1994 include: Broken/damaged airbag wiring harness; Airbag squib malfunction; Poor contact in connectors; SRS control module malfunction.

How do I fix a B1994 diagnostic trouble code?

To fix B1994: Diagnostics with SRS scanner. Checking the integrity of the wiring harness. Squib resistance measurement. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1994?

Do not drive — repair immediately

How much does it cost to fix B1994?

The estimated repair cost for B1994 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat