Engine-CodesInfiniti – B1137 Infiniti

B1137 Infiniti Code - Left Right Side Air Bag Module Short

Quick Answer

The B1137 Infiniti diagnostic trouble code indicates a short circuit in the left side airbag module of the vehicle. Common causes include Damaged wiring leading to the left side airbag module, Faulty connector in the airbag system, Defective left side airbag 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
B1137 Infiniti indicates Left Right Side Air Bag Module Short.
Common causes
Common causes include Damaged wiring leading to the left side airbag module, Faulty connector in the airbag system, Defective left side airbag 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 17, 2024
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Code B1137 Infiniti Description

The B1137 Infiniti diagnostic trouble code indicates a short circuit in the left side airbag module of the vehicle. The airbag system is a crucial safety feature designed to protect occupants in the event of a collision. When this code is triggered, it means that there is an electrical issue within the left side airbag module that could potentially prevent it from deploying properly in a crash.

OBDII Code B1137 Infiniti - Left Right Side Air Bag Module Short
B1137 Infiniti Code - Left Right Side Air Bag Module Short

Common Causes of B1137 Infiniti

  1. Damaged wiring leading to the left side airbag module
  2. Faulty connector in the airbag system
  3. Defective left side airbag module
  4. Corrosion in the wiring or connectors
  5. Impact damage to the left side of the vehicle causing a short circuit

Symptoms of B1137 Infiniti

  1. Illumination of the airbag warning light on the dashboard
  2. Inability to turn off the airbag warning light
  3. Diagnostic trouble code B1137 stored in the vehicle's computer system
  4. Non-deployment of the left side airbag in a crash

How to Fix B1137 Infiniti

  1. Begin by disconnecting the vehicle's battery to prevent accidental deployment of the airbag system.
  2. Inspect the wiring and connectors leading to the left side airbag module for any signs of damage or corrosion.
  3. Repair or replace any damaged wiring or connectors as needed.
  4. If the issue persists, replace the left side airbag module with a new unit.
  5. Clear the diagnostic trouble code from the vehicle's computer system and test the airbag system to ensure proper functioning.

Cost to Fix B1137 Infiniti

The cost of repairing a B1137 Infiniti code can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing damaged wiring or connectors may cost between $100 and $300, while replacing the left side airbag module could range from $500 to $1000. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's best to get a quote from a professional technician.

Need more information about the B1137 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 B1137 Infiniti Code

1. What does the OBDII code B1137 mean on an Infiniti?

Code B1137 indicates a short circuit in the left or right side airbag module wiring, which can affect airbag deployment and safety systems.

2. What are the symptoms of the B1137 code in an Infiniti?

Common symptoms include the airbag warning light staying on, malfunction notifications on the dashboard, and possible issues with airbag functionality.

3. What causes the B1137 code to trigger?

This code is usually caused by damaged or shorted wiring, a faulty airbag module, loose or corroded connectors, or an issue with the airbag control unit.

4. Is it safe to drive with the B1137 code active?

No, it’s not safe. This code indicates a potential fault in the airbag system, which may compromise its ability to function during a collision.

5. How can I diagnose the B1137 code on my Infiniti?

Use an OBDII scanner to confirm the code, then inspect the airbag module wiring, connectors, and circuit for visible damage or shorts.

6. Can I fix the B1137 code myself?

Repairs involving airbag systems are complex and potentially dangerous. It’s best to consult a qualified technician to avoid accidental deployment or further damage.

7. How much does it cost to repair the B1137 code on an Infiniti?

Repair costs can vary depending on the severity of the issue but generally range from $100 to $500 for wiring repairs or connector replacements. A faulty airbag module may cost more.

8. Can a faulty clock spring cause the B1137 code?

While not a common cause for this specific code, a defective clock spring can sometimes contribute to airbag circuit issues and should be inspected.

9. Will disconnecting the battery clear the B1137 code?

Disconnecting the battery may reset the system temporarily, but the code will return if the underlying issue is not fixed.

10. How can I prevent the B1137 code from occurring again?

Regularly inspect the airbag system wiring, avoid water damage in the vehicle, and promptly address any warning lights or error codes.

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