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B1B02 Chrysler Code - Driver Airbag Squib 1 Circuit Open

Quick Answer

The B1B02 Chrysler code indicates that there is an open circuit in the driver airbag squib 1. Common causes include Faulty wiring or connections in the airbag system, Corrosion or damage to the airbag squib, Impact or collision that damaged the airbag system. 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
B1B02 Chrysler indicates Driver Airbag Squib 1 Circuit Open.
Common causes
Common causes include Faulty wiring or connections in the airbag system, Corrosion or damage to the airbag squib, Impact or collision that damaged the airbag system.
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 14, 2024
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Code B1B02 Chrysler Description

The B1B02 Chrysler code indicates that there is an open circuit in the driver airbag squib 1. The driver airbag squib is a component of the airbag system that is responsible for deploying the driver's airbag in the event of a collision. An open circuit means that there is a break or discontinuity in the electrical connection that prevents the airbag from deploying properly. This can be a serious safety issue as the driver may not be protected in the event of a crash.

OBDII Code B1B02 Chrysler - Driver Airbag Squib 1 Circuit Open
B1B02 Chrysler Code - Driver Airbag Squib 1 Circuit Open

Common Causes of B1B02 Chrysler

  1. Faulty wiring or connections in the airbag system.
  2. Corrosion or damage to the airbag squib.
  3. Impact or collision that damaged the airbag system.
  4. Faulty airbag control module.
  5. Electrical issues in the vehicle's wiring system.

Symptoms of B1B02 Chrysler

  1. Airbag warning light illuminated on the dashboard.
  2. Airbag system disabled.
  3. Audible warning chime when starting the vehicle.
  4. Loss of power to the airbag system.

How to Fix B1B02 Chrysler

  1. Begin by disconnecting the vehicle's battery to prevent accidental deployment of the airbag.
  2. Inspect the wiring and connections in the airbag system for any damage or corrosion. Repair or replace any damaged components.
  3. Check the airbag squib for proper operation and replace if necessary.
  4. Clear the diagnostic trouble codes from the vehicle's system using a diagnostic scanner.
  5. Reconnect the battery and test the airbag system to ensure proper functionality.

Cost to Fix B1B02 Chrysler

The cost of repairing a driver airbag squib 1 circuit open issue can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $200 to $500, with labor costs adding an additional $100 to $200. Overall, the total repair cost for this issue could be around $300 to $700. It is important to note that labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for B1B02 Chrysler









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When is the Code Detected?

This Diagnostic Trouble Code (DTC) sets when the ORC detects an open or high resistance on the squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the ORC sees a recovery from an open condition for greater than 2.5 seconds.

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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 B1B02 Chrysler Code

1. What does the OBDII code B1B02 mean on a Chrysler vehicle?

The B1B02 code indicates an open circuit in the Driver Airbag Squib 1, meaning there’s an issue with the wiring or connection to the driver’s airbag.

2. What are the common symptoms of a B1B02 code?

Symptoms include the airbag warning light illuminated on the dashboard and the airbag system being disabled, which can compromise safety in a collision.

3. What causes the B1B02 code on a Chrysler?

Common causes include a damaged clock spring, corroded or loose connectors, broken wiring in the airbag circuit, or a faulty airbag module.

4. Is it safe to drive with a B1B02 code?

Driving with this code is not recommended because the airbag system is disabled, which can increase the risk of injury in an accident.

5. How do you diagnose the B1B02 code on a Chrysler?

Diagnosis involves using a scan tool to confirm the code, inspecting the clock spring, connectors, and wiring for damage, and checking the airbag module for faults.

6. Can a faulty clock spring cause the B1B02 code?

Yes, a damaged or worn clock spring is a common cause of this code, as it maintains the electrical connection to the driver’s airbag.

7. How is the B1B02 code typically repaired?

Repairs may include replacing the clock spring, repairing or replacing damaged wiring or connectors, or replacing the airbag module if necessary.

8. What tools are needed to fix the B1B02 code?

Tools typically include a scan tool for diagnostics, a multimeter for testing electrical continuity, and basic hand tools for component removal and installation.

9. How much does it cost to fix a B1B02 code?

Repair costs vary but can range from $150 to $600, depending on whether the issue is with the clock spring, wiring, or airbag module.

10. Can I clear the B1B02 code without repairing the issue?

Clearing the code without fixing the underlying problem will only temporarily turn off the airbag light. The issue will reappear until properly repaired.

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