OBD Guide

B1810

Short In Driver Side Squib 2nd Step Circuit

B1810 is an OBD-II diagnostic trouble code meaning: Short In Driver Side Squib 2nd Step Circuit. Common causes: damage to the wiring harness in the airbag circuit, second stage squib malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The airbag light on the dashboard is on
  • The airbag may not deploy in the second stage in the event of an accident.
  • Error B1810 is stored in the control unit memory

Causes

  • Damage to the wiring harness in the airbag circuit
  • Second stage squib malfunction
  • Short circuit in the control unit connections
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness in the driver's airbag area
  2. Measure the resistance of the second stage squib (should be within 2-5 Ohms)
  3. Check connections on airbag control unit
  4. Replace damaged components when found
  5. Clean contacts from corrosion
  6. Reset the error and check if it appears again

Related codes

FAQ

What does the B1810 code mean?

B1810 is an OBD-II diagnostic trouble code that indicates: Short In Driver Side Squib 2nd Step Circuit

What causes a B1810 error code?

The most common causes of B1810 include: Damage to the wiring harness in the airbag circuit; Second stage squib malfunction; Short circuit in the control unit connections; Corrosion or oxidation of contacts.

How do I fix a B1810 diagnostic trouble code?

To fix B1810: Check the integrity of the wiring harness in the driver's airbag area. Measure the resistance of the second stage squib (should be within 2-5 Ohms). Check connections on airbag control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1810?

Do not drive — repair immediately

How much does it cost to fix B1810?

The estimated repair cost for B1810 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat