Engine-CodesInfiniti – B1057 Infiniti

B1057 Infiniti Code - Driver Air Bag Module Short

Quick Answer

The B1057 Infiniti code indicates a problem with the driver airbag module short circuit. Common causes include Damaged wiring or connectors in the driver airbag circuit, Faulty driver airbag module, Malfunctioning airbag control module. 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
B1057 Infiniti indicates Driver Air Bag Module Short.
Common causes
Common causes include Damaged wiring or connectors in the driver airbag circuit, Faulty driver airbag module, Malfunctioning airbag control module.
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 07, 2024
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Code B1057 Infiniti Description

The B1057 Infiniti code indicates a problem with the driver airbag module short circuit. The driver airbag module is a crucial safety component in the vehicle that is designed to inflate rapidly in the event of a collision to protect the driver from impact with the steering wheel. A short circuit in the driver airbag module can prevent it from deploying properly during a crash, putting the driver at risk of serious injury or even death.

OBDII Code B1057 Infiniti - Driver Air Bag Module Short
B1057 Infiniti Code - Driver Air Bag Module Short

Common Causes of B1057 Infiniti

  1. Damaged wiring or connectors in the driver airbag circuit
  2. Faulty driver airbag module
  3. Malfunctioning airbag control module
  4. Corrosion or moisture in the airbag system components
  5. Impact or collision that caused damage to the airbag system

Symptoms of B1057 Infiniti

  1. Illumination of the airbag warning light on the dashboard
  2. Inability to turn off the airbag warning light even after resetting
  3. Loss of functionality of the driver airbag
  4. Erratic behavior of the airbag system during self-tests
  5. Diagnostic trouble codes related to the driver airbag module short

How to Fix B1057 Infiniti

  1. Begin by disconnecting the vehicle's battery to prevent accidental deployment of the airbag.
  2. Inspect the wiring and connectors in the driver airbag circuit for any signs of damage or corrosion. Repair or replace any damaged components.
  3. Test the driver airbag module and airbag control module for proper functioning. Replace any faulty modules.
  4. Clear the diagnostic trouble codes from the vehicle's onboard computer using a diagnostic tool.
  5. Reconnect the battery and perform a test to ensure that the airbag warning light is no longer illuminated and that the driver airbag system functions correctly.

Cost to Fix B1057 Infiniti

The cost of repairing a driver airbag module short circuit can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair cost for this issue can range from $200 to $800, including parts and labor. It is important to note that the actual cost may be higher or lower based on the location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to consult with a professional mechanic for a more accurate estimate.

Tech Notes for B1057 Infiniti

Factory Service Manual Repair Order:

1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the driver air bag module.
4. Replace the spiral cable.
5. Replace the air bag diagnosis sensor unit.
6. Replace the related harness.

When is the Code Detected?

Driver air bag module circuits are shorted to each other (including the spiral cable).

Need more information about the B1057 Infiniti code?

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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 B1057 Infiniti Code

1. What are the common symptoms of OBDII code B1057 in an Infiniti related to the Driver Air Bag Module Short?

The common symptoms include the airbag warning light illuminating on the dashboard and a potential loss of functionality of the driver's airbag.

2. What are the possible causes of OBDII code B1057 in an Infiniti?

Possible causes of this code include a short circuit in the driver airbag module wiring, a fault in the airbag control module, or a problem with the clock spring.

3. How serious is OBDII code B1057 in an Infiniti?

This code indicates a problem in the driver airbag system, which is a critical safety component. It is essential to address this issue promptly to ensure the proper functioning of the airbag system in case of an accident.

4. Can I continue driving my Infiniti with OBDII code B1057 present?

It is not recommended to drive the vehicle with this code active, as it may compromise the effectiveness of the driver's airbag in the event of a collision. It is advisable to have the issue diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code B1057 in my Infiniti?

Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific fault codes and performing further inspection of the driver airbag system components to identify the root cause of the issue.

6. Are there any DIY repair tips for fixing OBDII code B1057 in an Infiniti?

Repairing issues related to the driver airbag system, such as code B1057, requires specialized knowledge and tools. It is recommended to seek assistance from a qualified mechanic or dealership to properly diagnose and repair the problem.

7. How much does it cost to repair OBDII code B1057 in an Infiniti?

The cost of repairing this code can vary depending on the underlying cause of the issue and the specific components that require replacement. It is advisable to obtain a diagnosis and repair estimate from a professional technician.

8. Can resetting the OBDII system clear code B1057 in my Infiniti?

While resetting the OBDII system may temporarily clear the code, it will not fix the underlying issue causing code B1057. It is essential to address the root cause of the problem to prevent the code from reoccurring.

9. Is OBDII code B1057 specific to certain Infiniti models?

Code B1057 related to the Driver Air Bag Module Short can be specific to certain Infiniti models and may vary based on the year and model of the vehicle. It is recommended to consult the vehicle's service manual for more specific information.

10. How long does it take to repair OBDII code B1057 in an Infiniti?

The repair time for OBDII code B1057 can vary depending on the complexity of the issue and the availability of replacement parts. It is advisable to consult with a professional technician to get an accurate estimate of the repair duration.

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