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B1C29 Chrysler Code - Left Side Seat Thorax Squib 1 Open

Quick Answer

The B1C29 Chrysler code indicates that there is an issue with the left side seat thorax squib 1, which is a component of the airbag system. Common causes include Faulty seat thorax squib 1, Wiring issues or harness damage, Corrosion or poor connections in the electrical 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
B1C29 Chrysler indicates Left Side Seat Thorax Squib 1 Open.
Common causes
Common causes include Faulty seat thorax squib 1, Wiring issues or harness damage, Corrosion or poor connections in the electrical 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 Aug 19, 2024
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Code B1C29 Chrysler Description

The B1C29 Chrysler code indicates that there is an issue with the left side seat thorax squib 1, which is a component of the airbag system. The thorax squib is responsible for deploying the side airbag in the event of a side impact collision to provide additional protection for the occupants. An "open" circuit in this component means that there is a break or discontinuity in the electrical connection, preventing the airbag from deploying as intended.

OBDII Code B1C29 Chrysler - Left Side Seat Thorax Squib 1 Open
B1C29 Chrysler Code - Left Side Seat Thorax Squib 1 Open

Common Causes of B1C29 Chrysler

  1. Faulty seat thorax squib 1
  2. Wiring issues or harness damage
  3. Corrosion or poor connections in the electrical system
  4. Impact or collision that damaged the airbag system
  5. Defective airbag control module

Symptoms of B1C29 Chrysler

  1. Airbag warning light on the dashboard
  2. Inability to turn off the airbag warning light
  3. Failure of the side airbag to deploy in a crash
  4. Diagnostic trouble codes related to the airbag system

How to Fix B1C29 Chrysler

  1. Diagnose the specific cause of the open circuit using a diagnostic scanner
  2. Inspect the wiring and harness for damage or corrosion, repair or replace as needed
  3. Replace the left side seat thorax squib 1 if it is found to be faulty
  4. Clear the diagnostic trouble codes and reset the airbag system
  5. Perform a test to ensure the airbag system is functioning properly

Cost to Fix B1C29 Chrysler

The cost of repairing a B1C29 Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, replacing a seat thorax squib 1 can cost between $200 and $500, including parts and labor. However, additional costs may be incurred if wiring or harness repairs are needed. It is recommended to get a detailed quote from a reputable auto repair shop in your area.

When is the Code Detected?

This Diagnostic Trouble Code (DTC) sets when the Occupant Restraint Controller (ORC) detects an open on the squib circuit for more than 2.5 seconds. This DTC transitions from active to stored when the module 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 B1C29 Chrysler Code

1. What are the common symptoms of OBDII code B1C29 in a Chrysler related to the Left Side Seat Thorax Squib 1 Open?

- Common symptoms include the illumination of the airbag warning light on the dashboard and potential deactivation of the left side thorax airbag.

2. What could cause the OBDII code B1C29 in a Chrysler indicating a Left Side Seat Thorax Squib 1 Open?

- The code may be triggered by a faulty seat thorax airbag squib, wiring issues, loose connections, or a defective airbag control module.

3. How can I diagnose the source of the OBDII code B1C29 related to the Left Side Seat Thorax Squib 1 Open in my Chrysler?

- Diagnosing this code typically requires a professional scan tool to retrieve specific fault codes, inspecting the wiring and connections, and potentially testing the seat thorax airbag squib.

4. Is it safe to drive my Chrysler when OBDII code B1C29 for Left Side Seat Thorax Squib 1 Open is present?

- It is not recommended to drive the vehicle with this code as it indicates a potential issue with the airbag system, compromising occupant safety in the event of a collision.

5. How can I repair OBDII code B1C29 in a Chrysler indicating a Left Side Seat Thorax Squib 1 Open?

- Repairing this code may involve replacing the faulty seat thorax airbag squib, repairing damaged wiring or connections, or resetting the airbag control module after addressing the issue.

6. Can resetting the OBDII code B1C29 related to the Left Side Seat Thorax Squib 1 Open fix the problem in my Chrysler?

- Resetting the code may clear the warning light temporarily, but it will not fix the underlying issue causing the fault. Proper diagnosis and repair are necessary to ensure the airbag system functions correctly.

7. Are there any safety concerns associated with OBDII code B1C29 indicating a Left Side Seat Thorax Squib 1 Open in my Chrysler?

- Yes, this code indicates a problem with the left side thorax airbag system, which can affect its deployment in a crash. It is essential to address this issue promptly to maintain occupant safety.

8. How much does it typically cost to repair OBDII code B1C29 for Left Side Seat Thorax Squib 1 Open in a Chrysler?

- The cost of repairing this code can vary depending on the specific cause of the issue, but it may involve parts, labor, and diagnostic fees. It is advisable to consult a professional for an accurate estimate.

9. Can I fix OBDII code B1C29 indicating a Left Side Seat Thorax Squib 1 Open myself, or should I seek professional help?

- Due to the complexity of the airbag system and safety considerations, it is recommended to seek the assistance of a qualified technician or mechanic to diagnose and repair this code correctly.

10. How long does it typically take to repair OBDII code B1C29 related to the Left Side Seat Thorax Squib 1 Open in a Chrysler?

- The repair time can vary based on the specific cause of the issue and the availability of parts. It is advisable to consult with a professional to get an estimated timeline for the repair process.

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