OBD Guide
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B1118

Left Air Bag Satellite Sensor

B1118 is an OBD-II diagnostic trouble code meaning: Left Air Bag Satellite Sensor. Common causes: open or shorted wiring harness, left airbag sensor 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 passive safety system may not work in an accident.
  • Error B1118 in diagnostic scanner memory

Causes

  • Open or shorted wiring harness
  • Left airbag sensor malfunction
  • Damage to the sensor connector
  • Problems with the airbag control module

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Test the sensor for functionality
  3. Replace faulty sensor or wiring harness
  4. Reset the error and check the system

Related codes

B1117B1119B1120

FAQ

What does the B1118 code mean?

B1118 is an OBD-II diagnostic trouble code that indicates: Left Air Bag Satellite Sensor

What causes a B1118 error code?

The most common causes of B1118 include: Open or shorted wiring harness; Left airbag sensor malfunction; Damage to the sensor connector; Problems with the airbag control module.

How do I fix a B1118 diagnostic trouble code?

To fix B1118: Check the integrity of the wiring harness and connectors. Test the sensor for functionality. Replace faulty sensor or wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1118?

Do not drive — repair immediately

How much does it cost to fix B1118?

The estimated repair cost for B1118 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat