OBD Guide
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B1813

Short To Positive In Driver Side Squib 2nd Step Circuit

B1813 is an OBD-II diagnostic trouble code meaning: Short To Positive In Driver Side Squib 2nd Step Circuit. Common causes: wiring harness damage, second stage squib malfunction. Estimated repair cost: $111–333.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$111–333 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not work
  • Error B1813 in diagnostic scanner memory

Causes

  • Wiring harness damage
  • Second stage squib malfunction
  • Short circuit in the circuit
  • Problems with the airbag control unit

How to Fix

  1. Conduct a visual inspection of the wiring harness for damage.
  2. Check the resistance of the second stage squib
  3. Check the circuit for short circuit
  4. If necessary, replace the squib or wiring harness.
  5. Reset the error and check the system

Related codes

B1810B1811B1812

FAQ

What does the B1813 code mean?

B1813 is an OBD-II diagnostic trouble code that indicates: Short To Positive In Driver Side Squib 2nd Step Circuit

What causes a B1813 error code?

The most common causes of B1813 include: Wiring harness damage; Second stage squib malfunction; Short circuit in the circuit; Problems with the airbag control unit.

How do I fix a B1813 diagnostic trouble code?

To fix B1813: Conduct a visual inspection of the wiring harness for damage.. Check the resistance of the second stage squib. Check the circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1813?

Do not drive — repair immediately

How much does it cost to fix B1813?

The estimated repair cost for B1813 is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat