OBD Guide
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B1999

Passenger Side Side Mount Airbag Low Resistance On Squib

B1999 is an OBD-II diagnostic trouble code meaning: Passenger Side Side Mount Airbag Low Resistance On Squib. Common causes: short circuit in airbag wiring harness, faulty airbag squib. Estimated repair cost: $56–278.

Severity
🚨 Critical
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • SRS/Airbag light is on
  • Disabling the airbag system
  • Recording code B1999 in error memory

Causes

  • Short circuit in airbag wiring harness
  • Faulty airbag squib
  • Damage to contacts in system connectors
  • SRS control unit malfunction

How to Fix

  1. Carry out diagnostics with a scanner to confirm the code
  2. Visually inspect the airbag wiring harness and connectors
  3. Check the resistance of the squib with a multimeter
  4. Replace damaged components if necessary
  5. Erase the error from memory and check for recurrence
  6. If the problem persists, replace the SRS control unit

Related codes

B1998B1997B1000

FAQ

What does the B1999 code mean?

B1999 is an OBD-II diagnostic trouble code that indicates: Passenger Side Side Mount Airbag Low Resistance On Squib

What causes a B1999 error code?

The most common causes of B1999 include: Short circuit in airbag wiring harness; Faulty airbag squib; Damage to contacts in system connectors; SRS control unit malfunction.

How do I fix a B1999 diagnostic trouble code?

To fix B1999: Carry out diagnostics with a scanner to confirm the code. Visually inspect the airbag wiring harness and connectors. Check the resistance of the squib with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1999?

Limited driving only, diagnose soon

How much does it cost to fix B1999?

The estimated repair cost for B1999 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat