OBD Guide
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B1888

Passenger-Side Air Bag Circuit Short To Ground

B1888 is an OBD-II diagnostic trouble code meaning: Passenger-Side Air Bag Circuit Short To Ground. Common causes: damage to the airbag wiring harness, 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
  • SRS system does not work
  • Error message on the dashboard

Causes

  • Damage to the airbag wiring harness
  • Airbag squib malfunction
  • Short circuit in the circuit
  • Problems with the SRS control unit
  • Contact corrosion

How to Fix

  1. Check the airbag wiring harness for damage.
  2. Check the resistance of the airbag squib
  3. Check the continuity of the circuit from the control unit to the pillow
  4. Replace damaged components
  5. Reset the error and check the system

Related codes

B1887B1889B1890

FAQ

What does the B1888 code mean?

B1888 is an OBD-II diagnostic trouble code that indicates: Passenger-Side Air Bag Circuit Short To Ground

What causes a B1888 error code?

The most common causes of B1888 include: Damage to the airbag wiring harness; Airbag squib malfunction; Short circuit in the circuit; Problems with the SRS control unit.

How do I fix a B1888 diagnostic trouble code?

To fix B1888: Check the airbag wiring harness for damage.. Check the resistance of the airbag squib. Check the continuity of the circuit from the control unit to the pillow. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1888?

Do not drive — repair immediately

How much does it cost to fix B1888?

The estimated repair cost for B1888 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat