Engine-CodesScion – B1185 Scion

B1185 Scion Code - Short In Passenger Side Air Bag Second Stage Squib Circuit

Quick Answer

The B1185 diagnostic trouble code (DTC) for Scion vehicles indicates a short in the passenger side airbag second stage squib circuit. Common causes include Short circuit in the wiring harness connected to the passenger side airbag squib, Faulty passenger side airbag squib, Corrosion or damage to the connectors in 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
B1185 Scion indicates Short In Passenger Side Air Bag Second Stage Squib Circuit.
Common causes
Common causes include Short circuit in the wiring harness connected to the passenger side airbag squib, Faulty passenger side airbag squib, Corrosion or damage to the connectors in 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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B1185 Scion Description

The B1185 diagnostic trouble code (DTC) for Scion vehicles indicates a short in the passenger side airbag second stage squib circuit. This means that there is an electrical issue in the circuit responsible for deploying the second stage of the passenger side airbag. The second stage squib is the component that activates the airbag after the initial impact has occurred. A short in this circuit can prevent the airbag from deploying properly in the event of a collision, compromising the safety of the vehicle's occupants.

OBDII Code B1185 Scion - Short In Passenger Side Air Bag Second Stage Squib Circuit
B1185 Scion Code - Short In Passenger Side Air Bag Second Stage Squib Circuit

Common Causes of B1185 Scion

  1. Short circuit in the wiring harness connected to the passenger side airbag squib.
  2. Faulty passenger side airbag squib.
  3. Corrosion or damage to the connectors in the airbag system.
  4. Issues with the airbag control module.
  5. Impact or collision that damaged the airbag system components.

Symptoms of B1185 Scion

  1. Airbag warning light illuminated on the dashboard.
  2. Inability to deploy the passenger side airbag in a collision.
  3. Fault codes related to the airbag system stored in the vehicle's computer.
  4. Loss of power to the passenger side airbag system.

How to Fix B1185 Scion

  1. Diagnose the specific cause of the short in the passenger side airbag second stage squib circuit using a scan tool to retrieve the fault codes and inspect the wiring and components.
  2. Repair or replace any damaged wiring harnesses, connectors, or components in the airbag system.
  3. Clear the fault codes from the vehicle's computer and reset the airbag system.
  4. Perform a thorough test of the airbag system to ensure proper functionality.
  5. If necessary, recalibrate or replace the airbag control module to address any underlying issues.

Cost to Fix B1185 Scion

The cost of repairing a short in the passenger side airbag second stage squib circuit can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. In general, the repair costs for this issue can range from $200 to $800, including parts and labor. However, it is important to note that the actual cost may be higher or lower based on the specific diagnosis time and labor rates at auto repair shops in your area. It is recommended to obtain quotes from multiple repair shops to compare prices and ensure you are getting a fair estimate for the repair.

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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 B1185 Scion Code

1. What are common symptoms of OBDII code B1185 related to a short in the passenger side airbag second stage squib circuit?

- Common symptoms include the airbag warning light illuminating on the dashboard and a potential loss of functionality of the passenger side airbag.

2. What are some possible causes of OBDII code B1185 in a Scion related to a short in the passenger side airbag second stage squib circuit?

- Possible causes include damaged wiring or connectors in the airbag system, a faulty airbag squib, or a defective airbag control module.

3. How can I diagnose the issue causing OBDII code B1185 in my Scion?

- Proper diagnosis typically involves using a professional OBDII scanner to retrieve the specific trouble code, inspecting the airbag system wiring and connectors, and testing the components for proper functionality.

4. Is it safe to drive my Scion with OBDII code B1185 indicating a short in the passenger side airbag circuit?

- It is not recommended to drive the vehicle until the issue is diagnosed and repaired, as the passenger side airbag may not deploy properly in the event of a collision.

5. Can I reset the OBDII code B1185 in my Scion without fixing the underlying issue?

- While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the problem to ensure the safety and functionality of the airbag system.

6. How can I repair OBDII code B1185 related to a short in the passenger side airbag circuit in my Scion?

- Repair options may include repairing or replacing damaged wiring, connectors, or components in the airbag system, as well as resetting the airbag control module.

7. Are there any safety precautions I should take when working on the airbag system to fix OBDII code B1185?

- It is essential to disconnect the vehicle's battery and wait for the airbag system to fully discharge before working on any components to prevent accidental airbag deployment.

8. Can I fix OBDII code B1185 causing a short in the passenger side airbag circuit in my Scion myself, or do I need a professional mechanic?

- Due to the safety-critical nature of airbag systems, it is recommended to seek assistance from a qualified mechanic or technician with experience in diagnosing and repairing airbag issues.

9. How much does it typically cost to repair OBDII code B1185 related to a short in the passenger side airbag circuit in a Scion?

- The cost of repair can vary depending on the underlying issue, the required parts, and labor rates, but it is advisable to budget for potentially significant expenses to ensure proper airbag system functionality.

10. Can OBDII code B1185 in my Scion be a recurring issue even after it has been repaired?

- If the root cause of the short in the passenger side airbag circuit is not adequately addressed during the repair, there is a possibility that the code may reappear. Regular maintenance and proper repairs can help prevent recurrence.

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