AutoCodesScion – B0105 Scion

B0105 Scion Code - Short In P Squib Circuit

Quick Answer

The P squib circuit consists of the airbag sensor assembly, passenger airbag manual on–off switch and front passenger airbag assembly. Common causes include Faulty Front Passenger Airbag Assembly (P Squib), Front Passenger Airbag Assembly (P Squib) harness is open or shorted, Front Passenger Airbag Assembly (P Squib) circuit poor electrical connection. 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
B0105 Scion indicates Short In P Squib Circuit.
Common causes
Common causes include Faulty Front Passenger Airbag Assembly (P Squib), Front Passenger Airbag Assembly (P Squib) harness is open or shorted, Front Passenger Airbag Assembly (P Squib) circuit poor electrical connection.
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.
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Code Popularity 2,118
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code B0105 Scion Description

The P squib circuit consists of the airbag sensor assembly, passenger airbag manual on–off switch and front passenger airbag assembly. The Air Bag Control Module monitors the P Squib. The Air Bag Control Module sets the OBDII code when the P Squib is not to factory specifications.
OBDII Code B0105 Scion - Short In P Squib Circuit - AutoCodes.com
B0105 Scion Code - Short In P Squib Circuit

What are the Possible Causes of the DTC B0105 Scion?

  • Faulty Front Passenger Airbag Assembly (P Squib)
  • Front Passenger Airbag Assembly (P Squib) harness is open or shorted
  • Front Passenger Airbag Assembly (P Squib) circuit poor electrical connection
  • Faulty Passenger Airbag Manual On–Off Switch
  • Faulty Airbag Sensor Assembly

How to Fix the DTC B0105 Scion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0105 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B0105 Scion code?

Need more information on how to fix the B0105 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0105 Scion code diagnosed by a professional: Find a repair shop in your area

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 B0105 Scion Code

1. What are the common symptoms of OBDII code B0105 Short In P Squib Circuit in a Scion?

- Common symptoms include the airbag warning light staying illuminated on the dashboard and potential non-deployment of the airbags in the event of a collision.

2. What causes the OBDII code B0105 to be triggered in a Scion?

- The code B0105 is typically triggered by a short circuit in the driver's side airbag P squib circuit, which can be caused by wiring issues, a faulty clock spring, or a malfunctioning airbag module.

3. How can I diagnose the Short In P Squib Circuit issue in my Scion?

- Diagnosing the issue involves using a scan tool to retrieve the specific OBDII code, inspecting the airbag system wiring for any damage or loose connections, and testing the driver's side airbag P squib circuit for continuity.

4. Is it safe to drive my Scion with the B0105 code present?

- It is not recommended to drive the vehicle with the B0105 code present, as it indicates a potential problem with the airbag system, which could compromise the safety of the driver and passengers in the event of a collision.

5. Can I repair the Short In P Squib Circuit issue in my Scion myself?

- While it is possible to repair the issue yourself if you have the necessary automotive knowledge and tools, it is recommended to seek professional help to ensure the airbag system is properly diagnosed and repaired to ensure safety.

6. How much does it typically cost to repair the Short In P Squib Circuit issue in a Scion?

- The cost of repairing the Short In P Squib Circuit issue in a Scion can vary depending on the exact cause of the problem, but it may range from a couple of hundred dollars to over a thousand dollars for parts and labor.

7. Will disconnecting the battery reset the B0105 code in my Scion?

- Disconnecting the battery may temporarily clear the code, but it is likely to return if the underlying issue causing the Short In P Squib Circuit problem is not addressed and repaired.

8. Can the B0105 code in a Scion be related to other airbag system faults?

- Yes, the B0105 code can sometimes be related to other airbag system faults, such as issues with other airbag squib circuits, the airbag control module, or the clock spring, so a thorough diagnostic is recommended.

9. How long does it take to repair the Short In P Squib Circuit issue in a Scion?

- The repair time for the Short In P Squib Circuit issue in a Scion can vary depending on the exact cause of the problem and the availability of parts, but it may take a few hours to a full day for a professional technician to complete the repair.

10. Are there any recalls or technical service bulletins related to the B0105 code in Scion vehicles?

- It is recommended to check with your local Scion dealership or the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or technical service bulletins related to the B0105 Short In P Squib Circuit issue in your specific Scion model.

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