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Engine-Codes – Generic – B003B

B003B Code - Second Row Right Frontal Stage 3 Deployment Control

Quick Answer

The B003B diagnostic trouble code refers to an issue with the Second Row Right Frontal Stage 3 Deployment Control system in the vehicle's airbag system. Common causes include Faulty airbag sensor in the Second Row Right Frontal Stage 3 Deployment Control system, Wiring or connection issues in the airbag system, Impact or collision that damaged the airbag system components. 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
B003B indicates Second Row Right Frontal Stage 3 Deployment Control.
Common causes
Common causes include Faulty airbag sensor in the Second Row Right Frontal Stage 3 Deployment Control system, Wiring or connection issues in the airbag system, Impact or collision that damaged the airbag system components.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B003B Description

The B003B diagnostic trouble code refers to an issue with the Second Row Right Frontal Stage 3 Deployment Control system in the vehicle's airbag system. This code indicates that there is a problem with the deployment control for the airbag located in the second row on the right side of the vehicle. This system is responsible for detecting a collision and deploying the airbag to protect occupants in the event of a crash.

OBDII Code B003B - Second Row Right Frontal Stage 3 Deployment Control
B003B Code - Second Row Right Frontal Stage 3 Deployment Control

Common Causes of B003B

  1. Faulty airbag sensor in the Second Row Right Frontal Stage 3 Deployment Control system.
  2. Wiring or connection issues in the airbag system.
  3. Impact or collision that damaged the airbag system components.
  4. Corrosion or water damage affecting the airbag control unit.
  5. Malfunctioning airbag control module.

Symptoms of B003B

  1. Airbag warning light on the dashboard is illuminated.
  2. The airbag system may fail to deploy in a crash.
  3. Fault codes related to the airbag system may be stored in the vehicle's computer.
  4. The vehicle may fail a safety inspection due to the airbag system issue.

How to Fix B003B

  1. Diagnose the issue by using a diagnostic scanner to retrieve the specific fault codes related to the Second Row Right Frontal Stage 3 Deployment Control system.
  2. Inspect the airbag sensor and wiring for any damage or corrosion. Repair or replace any faulty components.
  3. Clear the fault codes from the vehicle's computer and reset the airbag system.
  4. Perform a test to ensure that the airbag system is functioning properly and that the fault code does not return.
  5. If needed, replace the airbag control module or any other components that are found to be faulty.

Cost to Fix B003B

The cost of repairing the Second Row Right Frontal Stage 3 Deployment Control system can vary depending on the extent of the issue and the specific parts that need to be replaced. On average, the repair costs for an airbag system issue can range from $200 to $1000, including parts and labor. However, it's important to note that the actual cost may be higher or lower depending on the vehicle make and model, the location of the repair shop, and the severity of the problem. It's recommended to get a detailed quote from a trusted auto repair shop to accurately estimate the repair costs for this specific issue.

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Code B003B Information for Specific Makes

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.

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