OBD Guide
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B1818

Short To Positive In Front Passenger Side Squib 2nd Step Circuit

B1818 is an OBD-II diagnostic trouble code meaning: Short To Positive In Front Passenger Side Squib 2nd Step Circuit. Common causes: wiring harness damage, squib malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The safety system may not work in an accident

Causes

  • Wiring harness damage
  • Squib malfunction
  • Problems in the airbag control module
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check squib resistance
  3. Check the airbag control module
  4. Eliminate short circuit in the circuit

Related codes

B1817B1819B1820

FAQ

What does the B1818 code mean?

B1818 is an OBD-II diagnostic trouble code that indicates: Short To Positive In Front Passenger Side Squib 2nd Step Circuit

What causes a B1818 error code?

The most common causes of B1818 include: Wiring harness damage; Squib malfunction; Problems in the airbag control module; Short circuit in the circuit.

How do I fix a B1818 diagnostic trouble code?

To fix B1818: Check wiring harness for damage. Check squib resistance. Check the airbag control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1818?

Do not drive — repair immediately

How much does it cost to fix B1818?

The estimated repair cost for B1818 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat