OBD Guide

B1808

Short to Positive in Front Passenger Side Squib Circuit

B1808 is an OBD-II diagnostic trouble code meaning: Short to Positive in Front Passenger Side Squib Circuit. Common causes: damage to the harness for the passive restraint system, short circuit in the airbag squib. Estimated repair cost: $56–222.

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

Symptoms

  • The airbag malfunction indicator is on
  • The passive safety system may not work in an accident.
  • There may be problems with diagnosing other vehicle systems

Causes

  • Damage to the harness for the passive restraint system
  • Short circuit in the airbag squib
  • Airbag control module malfunction
  • Damaged contacts or corrosion in connectors

How to Fix

  1. Diagnose the passive safety system using a scanner
  2. Check the integrity of the wiring harness and connectors
  3. Replace damaged components (squib, wiring harness, control module)
  4. Reset the error and check the system for functionality

Related codes

FAQ

What does the B1808 code mean?

B1808 is an OBD-II diagnostic trouble code that indicates: Short to Positive in Front Passenger Side Squib Circuit

What causes a B1808 error code?

The most common causes of B1808 include: Damage to the harness for the passive restraint system; Short circuit in the airbag squib; Airbag control module malfunction; Damaged contacts or corrosion in connectors.

How do I fix a B1808 diagnostic trouble code?

To fix B1808: Diagnose the passive safety system using a scanner. Check the integrity of the wiring harness and connectors. Replace damaged components (squib, wiring harness, control module). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1808?

Do not drive — repair immediately

How much does it cost to fix B1808?

The estimated repair cost for B1808 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat