B1186 Toyota Code - Open In Passenger Side Air Bag Second Stage Squib Circuit
Quick Answer
The B1186 diagnostic trouble code for Toyota vehicles indicates an open in the passenger side airbag second stage squib circuit. Common causes include Wiring damage or corrosion in the airbag circuit, Loose or disconnected electrical connections in the airbag system, Faulty passenger side airbag squib. 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
- B1186 Toyota indicates Open In Passenger Side Air Bag Second Stage Squib Circuit.
- Common causes
- Common causes include Wiring damage or corrosion in the airbag circuit, Loose or disconnected electrical connections in the airbag system, Faulty passenger side airbag squib.
- 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 B1186 Toyota Description
The B1186 diagnostic trouble code for Toyota vehicles indicates an open in the passenger side airbag second stage squib circuit. This means that there is a malfunction in the circuit responsible for deploying the passenger side airbag in the event of a collision. The second stage squib is a component that activates the airbag after the initial impact, providing additional protection to the passenger.
Common Causes of B1186 Toyota
- Wiring damage or corrosion in the airbag circuit.
- Loose or disconnected electrical connections in the airbag system.
- Faulty passenger side airbag squib.
- Issues with the airbag control module.
- Impact or collision that damaged the airbag system components.
Symptoms of B1186 Toyota
- Airbag warning light illuminated on the dashboard.
- Inability to turn off the airbag warning light even after resetting the system.
- Diagnostic trouble code B1186 stored in the vehicle's computer.
- Non-deployment of the passenger side airbag during a crash.
How to Fix B1186 Toyota
- Begin by conducting a thorough visual inspection of the airbag system wiring and connections to identify any visible damage or loose connections.
- Use a multimeter to test the continuity of the circuit and pinpoint the location of the open circuit.
- Repair or replace any damaged wiring or connectors in the airbag system.
- Test the passenger side airbag squib for proper functionality and replace if necessary.
- Clear the diagnostic trouble code from the vehicle's computer and reset the airbag system.
Cost to Fix B1186 Toyota
The cost of repairing an open 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 replaced. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It is important to note that the actual cost may be higher or lower based on factors such as the vehicle's make and model, the location of the repair shop, and the hourly labor rates. It is recommended to obtain a detailed estimate from a qualified auto repair shop before proceeding with 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.
Frequently Asked Questions about B1186 Toyota Code
1. What are common symptoms of OBDII code B1186 in a Toyota related to an open in the passenger side air bag second stage squib circuit?
- Common symptoms include the airbag warning light staying illuminated on the dashboard and potential non-deployment of the passenger side airbag in the event of a collision.
2. What typically causes the OBDII code B1186 in a Toyota indicating an open in the passenger side air bag second stage squib circuit?
- The code is often triggered by a damaged or faulty passenger side airbag second stage squib connector, a disconnected or broken wire in the circuit, or issues with the airbag module itself.
3. How can I diagnose the cause of OBDII code B1186 in my Toyota related to an open in the passenger side air bag second stage squib circuit?
- Diagnosis involves inspecting the airbag system components, checking the wiring for continuity and damages, and using a scan tool to retrieve specific error codes and pinpoint the issue.
4. Is it safe to drive with OBDII code B1186 in a Toyota indicating an open in the passenger side air bag second stage squib circuit?
- It is not recommended to drive the vehicle with this code active, as the passenger side airbag may not function properly in the event of a collision, potentially putting occupants at risk.
5. Can I repair OBDII code B1186 in my Toyota related to an open in the passenger side air bag second stage squib circuit myself?
- Repairing this code often requires advanced knowledge of airbag systems and specialized tools. It is recommended to seek assistance from a qualified mechanic or technician to ensure proper diagnosis and repair.
6. How much does it cost to fix OBDII code B1186 in a Toyota indicating an open in the passenger side air bag second stage squib circuit?
- The cost of repair can vary depending on the exact cause of the issue, parts needed, and labor rates. Expect to pay anywhere from a few hundred to over a thousand dollars for repairs.
7. Are there any safety precautions to consider when working on the passenger side air bag second stage squib circuit in a Toyota to address OBDII code B1186?
- Safety precautions include disconnecting the vehicle's battery, waiting for the airbag system to fully discharge, and following proper procedures outlined in the vehicle's service manual to avoid accidental airbag deployment.
8. Will resetting the OBDII code B1186 in my Toyota related to an open in the passenger side air bag second stage squib circuit make the problem go away?
- Simply resetting the code will not fix the underlying issue causing the fault. It is important to diagnose and repair the root cause of the problem to ensure the safety and functionality of the airbag system.
9. Can a Toyota dealership or authorized service center help with diagnosing and repairing OBDII code B1186 indicating an open in the passenger side air bag second stage squib circuit?
- Yes, Toyota dealerships and authorized service centers have the expertise, specialized equipment, and access to genuine parts necessary to diagnose and repair issues related to the airbag system, including code B1186.
10. How long does it usually take to repair OBDII code B1186 in a Toyota linked to an open in the passenger side air bag second stage squib circuit?
- The repair time can vary based on the complexity of the issue and availability of parts. In general, expect the repair to take a few hours to a full day, depending on the extent of the repair needed.
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