B1187 Toyota Code - Short To Ground In Passenger Side Air Bag Module 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
- B1187 Toyota indicates Short To Ground In Passenger Side Air Bag Module 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 B1187 Toyota Description
What are the Possible Causes of the DTC B1187 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 B1187 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 B1187 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 B1187 Toyota Code
1. What are the common symptoms of OBDII code B1187 in a Toyota related to a short to ground in the passenger side airbag module second stage squib circuit?
- Common symptoms include an illuminated airbag warning light on the dashboard and potential non-deployment of the passenger side airbag in the event of a collision.
2. What are the possible causes of OBDII code B1187 in a Toyota indicating a short to ground in the passenger side airbag module second stage squib circuit?
- Potential causes include damaged wiring or connectors, a faulty airbag module, or a short circuit within the airbag system.
3. How can I diagnose the issue causing OBDII code B1187 in a Toyota for a short to ground in the passenger side airbag module second stage squib circuit?
- Diagnosis typically involves inspecting the wiring and connectors for damage, performing continuity tests, and using a professional OBDII scanner to retrieve specific fault codes.
4. Can I repair OBDII code B1187 in a Toyota related to a short to ground in the passenger side airbag module second stage squib circuit myself?
- While some basic inspection and testing can be done by DIY enthusiasts, it is recommended to have a qualified technician diagnose and repair airbag-related issues due to safety concerns and the complexity of the system.
5. What are the potential risks of driving a Toyota with OBDII code B1187 indicating a short to ground in the passenger side airbag module second stage squib circuit?
- Driving with this issue can pose a safety risk as the passenger side airbag may not deploy in an accident, potentially increasing the risk of injury to the passenger.
6. How much does it typically cost to repair OBDII code B1187 in a Toyota for a short to ground in the passenger side airbag module second stage squib circuit?
- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.
7. Is it safe to continue driving a Toyota with the airbag warning light on due to OBDII code B1187?
- It is not recommended to drive the vehicle with the airbag warning light on, as it indicates a potential issue with the airbag system that could compromise passenger safety in the event of a collision.
8. Can resetting the OBDII code B1187 in a Toyota fix the issue of a short to ground in the passenger side airbag module second stage squib circuit?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the short to ground in the airbag system. Professional diagnosis and repair are necessary.
9. Are there any recalls or technical service bulletins related to OBDII code B1187 in Toyota vehicles?
- It is advisable to check with Toyota or a qualified dealership for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues or remedies provided by the manufacturer.
10. How long does it typically take to repair OBDII code B1187 in a Toyota for a short to ground in the passenger side airbag module second stage squib circuit?
- The repair time can vary depending on the exact cause of the issue and the availability of parts, but it may take a few hours to a full day for a qualified technician to diagnose and fix the problem.
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