OBD Guide
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B1805

Short in Front Passenger Side Squib Circuit

B1805 is an OBD-II diagnostic trouble code meaning: Short in Front Passenger Side Squib Circuit. Common causes: wiring harness damage, short circuit in the squib. Estimated repair cost: $56–222.

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

Symptoms

  • Airbag light is on
  • SRS system does not pass self-diagnosis
  • Lack of system response in case of an accident (in extreme cases)

Causes

  • Wiring harness damage
  • Short circuit in the squib
  • Contact corrosion
  • SRS module malfunction
  • Mechanical damage to system components

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the integrity of the wiring harness and contacts
  3. Replace damaged wires or connectors
  4. Test the squib for resistance
  5. If necessary, replace the squib or SRS module
  6. Reset the error and check the system

Related codes

B1800B1801B1802

FAQ

What does the B1805 code mean?

B1805 is an OBD-II diagnostic trouble code that indicates: Short in Front Passenger Side Squib Circuit

What causes a B1805 error code?

The most common causes of B1805 include: Wiring harness damage; Short circuit in the squib; Contact corrosion; SRS module malfunction.

How do I fix a B1805 diagnostic trouble code?

To fix B1805: Diagnose the SRS system using a scanner. Check the integrity of the wiring harness and contacts. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1805?

Do not drive — repair immediately

How much does it cost to fix B1805?

The estimated repair cost for B1805 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat