Engine-CodesNissan – B1118 Nissan

B1118 Nissan Code - Left Air Bag Satellite Sensor

Quick Answer

The B1118 Nissan code refers to an issue with the Left Air Bag Satellite Sensor in the vehicle. Common causes include Malfunctioning sensor due to electrical issues, Damage to the sensor from impact or corrosion, Faulty wiring or connections to the sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1118 Nissan indicates Left Air Bag Satellite Sensor.
Common causes
Common causes include Malfunctioning sensor due to electrical issues, Damage to the sensor from impact or corrosion, Faulty wiring or connections to the sensor.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1118 Nissan Description

The B1118 Nissan code refers to an issue with the Left Air Bag Satellite Sensor in the vehicle. This sensor is a crucial component of the airbag system, responsible for detecting impacts and deploying the airbag in the event of a collision. When this sensor malfunctions or fails, it can compromise the effectiveness of the airbag system, potentially putting the driver and passengers at risk in the event of an accident.

OBDII Code B1118 Nissan - Left Air Bag Satellite Sensor
B1118 Nissan Code - Left Air Bag Satellite Sensor

Common Causes of B1118 Nissan

  1. Malfunctioning sensor due to electrical issues
  2. Damage to the sensor from impact or corrosion
  3. Faulty wiring or connections to the sensor
  4. Software issues affecting sensor calibration

Symptoms of B1118 Nissan

  1. Airbag warning light illuminated on the dashboard
  2. Inconsistent or erratic airbag deployment
  3. Airbag system failure
  4. Dashboard error message related to airbag system

How to Fix B1118 Nissan

  1. Diagnose the issue by using a diagnostic scanner to retrieve the specific fault code.
  2. Inspect the Left Air Bag Satellite Sensor for any visible damage or corrosion.
  3. Test the sensor's electrical connections and wiring for continuity and proper voltage.
  4. Replace the faulty sensor if necessary, following manufacturer's guidelines for installation.
  5. Clear the fault code and test the airbag system to ensure proper functionality.

Cost to Fix B1118 Nissan

The typical repair costs for addressing the B1118 Nissan code and replacing the Left Air Bag Satellite Sensor can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on various factors. It's recommended to check with local shops for a more accurate estimate based on the vehicle's make and model, as well as the location and type of repair facility.

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1118 Nissan Code

1. What are the common symptoms of OBDII code B1118 in a Nissan related to the Left Air Bag Satellite Sensor?

The common symptoms include the airbag warning light staying illuminated on the dashboard and potential non-deployment of the driver's side airbag during a collision.

2. What are the possible causes of OBDII code B1118 indicating an issue with the Left Air Bag Satellite Sensor in a Nissan?

Potential causes could include a faulty left air bag satellite sensor, damaged wiring or connectors, issues with the airbag control module, or a malfunction in the airbag system circuit.

3. How can I diagnose the issue related to OBDII code B1118 for the Left Air Bag Satellite Sensor in my Nissan?

Diagnosis typically involves using a professional OBDII scanner to retrieve the specific fault code, inspecting the left air bag satellite sensor and its connections for damage, and conducting a thorough check of the airbag system components.

4. Can I repair the Left Air Bag Satellite Sensor issue causing OBDII code B1118 in my Nissan on my own?

While basic checks like inspecting connections and wiring can be done by DIY enthusiasts, it is recommended to consult a qualified mechanic or dealership for accurate diagnosis and repair of airbag system issues due to their critical safety nature.

5. Is it safe to drive my Nissan with OBDII code B1118 triggered by the Left Air Bag Satellite Sensor problem?

It is not advisable to drive the vehicle with an active airbag-related fault code, as it may compromise the effectiveness of the airbag system in the event of a collision. Prompt attention and repair are recommended.

6. How much does it typically cost to repair OBDII code B1118 associated with the Left Air Bag Satellite Sensor in a Nissan?

Repair costs can vary depending on the specific cause of the issue and the labor rates of the service provider. It is best to obtain a detailed estimate from a professional technician before proceeding with the repair.

7. Can resetting the OBDII system clear the B1118 code linked to the Left Air Bag Satellite Sensor in my Nissan?

While clearing the code may temporarily turn off the warning light, it will not fix the underlying issue with the Left Air Bag Satellite Sensor. It is essential to address the root cause for a permanent solution.

8. Are there any recalls or technical service bulletins related to OBDII code B1118 in Nissan vehicles concerning the Left Air Bag Satellite Sensor?

It is advisable to check with Nissan dealerships or official sources for any recalls or technical service bulletins related to the Left Air Bag Satellite Sensor issue to see if your vehicle is affected.

9. How important is it to address OBDII code B1118 indicating a problem with the Left Air Bag Satellite Sensor in a Nissan?

Addressing this code promptly is crucial for ensuring the proper functioning of the airbag system, which plays a vital role in occupant safety during accidents. Ignoring the issue may compromise the effectiveness of the safety features.

10. Can a malfunctioning Left Air Bag Satellite Sensor triggering OBDII code B1118 lead to other safety concerns in a Nissan?

Yes, a faulty Left Air Bag Satellite Sensor can impact the performance of the entire airbag system, potentially affecting the deployment of other airbags in the vehicle. It is essential to address such issues promptly to ensure overall safety.

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