Engine-CodesNissan – B1135 Nissan

B1135 Nissan Code - Left Right Side Air Bag Module Short

Quick Answer

The B1135 Nissan code indicates a problem with the left or right side airbag module being shorted. Common causes include Damaged wiring in the airbag system, Faulty left or right side airbag module, Malfunctioning airbag 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
B1135 Nissan indicates Left Right Side Air Bag Module Short.
Common causes
Common causes include Damaged wiring in the airbag system, Faulty left or right side airbag module, Malfunctioning airbag 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 09, 2024
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Code B1135 Nissan Description

The B1135 Nissan code indicates a problem with the left or right side airbag module being shorted. This means that there is an electrical issue within the airbag system that could prevent the airbag from deploying properly in the event of a collision. The airbag module is a crucial safety component that is designed to protect the occupants of the vehicle in the event of a crash by deploying the airbag quickly and effectively.

OBDII Code B1135 Nissan - Left Right Side Air Bag Module Short
B1135 Nissan Code - Left Right Side Air Bag Module Short

Common Causes of B1135 Nissan

  1. Damaged wiring in the airbag system
  2. Faulty left or right side airbag module
  3. Malfunctioning airbag sensor
  4. Corrosion in the airbag system components
  5. Impact or collision triggering the airbag system

Symptoms of B1135 Nissan

  1. Airbag warning light illuminated on the dashboard
  2. The airbag system may fail self-test
  3. Inability to reset the airbag light
  4. History of accidents triggering the airbag system

How to Fix B1135 Nissan

  1. Begin by diagnosing the specific cause of the short in the left or right side airbag module using an OBD-II scanner.
  2. Inspect the wiring and connections in the airbag system for any damage or corrosion. Repair or replace any damaged components.
  3. Test the left and right side airbag modules to determine if they are functioning correctly. Replace any faulty modules.
  4. Check the airbag sensor to ensure it is sending the correct signals. Replace the sensor if necessary.
  5. Clear the diagnostic code and reset the airbag system to ensure the issue has been resolved.

Cost to Fix B1135 Nissan

The typical repair costs for addressing a B1135 Nissan code can vary depending on the specific cause of the issue. On average, you can expect to pay between $200 to $500 for parts and labor. However, it is important to note that the exact cost can vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the damage. It is advisable to consult with a professional mechanic to get a more accurate estimate for your specific situation.

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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 B1135 Nissan Code

1. What are the common symptoms of OBDII code B1135 in a Nissan indicating a Left Right Side Air Bag Module Short?

The common symptoms include the airbag warning light illuminating on the dashboard and possible non-deployment of the affected airbag in the event of a collision.

2. What are the possible causes of OBDII code B1135 in a Nissan related to a Left Right Side Air Bag Module Short?

The code B1135 can be triggered by a short circuit in the wiring connecting the left and right side airbag modules, a faulty airbag module itself, or issues with the airbag control module.

3. How can I diagnose the source of the Left Right Side Air Bag Module Short causing OBDII code B1135 in my Nissan?

To diagnose the issue, a thorough inspection of the airbag wiring harness, connectors, and modules is necessary. Using a diagnostic scanner capable of reading airbag codes can pinpoint the exact location of the short.

4. Is it safe to drive my Nissan with OBDII code B1135 indicating a Left Right Side Air Bag Module Short?

It is not recommended to drive the vehicle with a potential airbag malfunction, as it may compromise passenger safety in the event of an accident. Prompt diagnosis and repair are advised.

5. Can I reset the OBDII code B1135 related to the Left Right Side Air Bag Module Short in my Nissan without fixing the issue?

Resetting the code without addressing the underlying problem will only temporarily clear the warning light. The code will likely reappear until the root cause of the airbag module short is resolved.

6. How should I repair OBDII code B1135 in my Nissan caused by a Left Right Side Air Bag Module Short?

Repairing the issue involves fixing the short circuit in the airbag wiring, replacing the faulty airbag module, or addressing any issues with the airbag control module as needed.

7. Are there any safety precautions to consider when working on the airbag system to resolve OBDII code B1135 in a Nissan?

When working on the airbag system, it is crucial to disconnect the vehicle's battery and wait for the specified time to pass before starting any repairs. This will help prevent accidental airbag deployment.

8. Can a DIY enthusiast fix OBDII code B1135 related to a Left Right Side Air Bag Module Short in a Nissan?

While some basic troubleshooting steps can be performed by DIY enthusiasts, working on the airbag system requires specialized knowledge and tools. It is recommended to seek professional assistance for airbag-related issues.

9. Will fixing OBDII code B1135 in my Nissan due to a Left Right Side Air Bag Module Short affect the overall functionality of the airbag system?

Fixing the airbag module short causing code B1135 is essential to ensure the proper operation of the airbag system. Ignoring the issue may lead to the airbags not deploying as intended in case of an accident.

10. How can I prevent OBDII code B1135 from occurring again in my Nissan after repairing the Left Right Side Air Bag Module Short?

Regular maintenance checks, ensuring proper installation of components, and avoiding physical damage to the airbag system can help prevent the recurrence of OBDII code B1135 related to a Left Right Side Air Bag Module Short in your Nissan.

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