B1186 Toyota Code - Open In Passenger Side Air Bag Second Stage Squib Circuit
Quick Answer
The Passenger Side Air Bag Second Stage Squib Circuit consists of the Air Bag Sensor Assembly and Passenger Side Air Bag Module. Common causes include Faulty Passenger Side Air Bag Second Stage Squib, Passenger Side Air Bag Second Stage Squib harness is open or shorted, Passenger Side Air Bag Second Stage 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
- B1186 Toyota indicates Open In Passenger Side Air Bag Second Stage Squib Circuit.
- Common causes
- Common causes include Faulty Passenger Side Air Bag Second Stage Squib, Passenger Side Air Bag Second Stage Squib harness is open or shorted, Passenger Side Air Bag Second Stage 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.
Code B1186 Toyota Description
What are the Possible Causes of the DTC B1186 Toyota?
- Faulty Passenger Side Air Bag Second Stage Squib
- Passenger Side Air Bag Second Stage Squib harness is open or shorted
- Passenger Side Air Bag Second Stage Squib circuit poor electrical connection
- Faulty Air Bag Sensor Assembly
How to Fix the DTC B1186 Toyota?
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 B1186 Toyota 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.
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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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