B1820 Scion Code - Short in Side Squib Right Circuit
Quick Answer
The B1820 diagnostic trouble code for Scion vehicles refers to a "Short in Side Squib Right Circuit." In layman's terms, this means that there is a short circuit in the right side airbag system of the vehicle. Common causes include Damaged wiring in the side squib right circuit, Faulty side squib (airbag inflator), Blown fuse related to 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
- B1820 Scion indicates Short in Side Squib Right Circuit.
- Common causes
- Common causes include Damaged wiring in the side squib right circuit, Faulty side squib (airbag inflator), Blown fuse related to 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.
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Code B1820 Scion Description
The B1820 diagnostic trouble code for Scion vehicles refers to a "Short in Side Squib Right Circuit." In layman's terms, this means that there is a short circuit in the right side airbag system of the vehicle. The side squib, also known as the side airbag inflator, is a crucial component of the vehicle's safety system. It is designed to deploy in the event of a side impact collision to protect the occupants from injury.
Common Causes of B1820 Scion
- Damaged wiring in the side squib right circuit
- Faulty side squib (airbag inflator)
- Blown fuse related to the airbag system
- Malfunctioning airbag control module
- Corrosion or poor connections in the electrical system
Symptoms of B1820 Scion
- Airbag warning light illuminated on the dashboard
- Inability to turn off the airbag warning light
- Intermittent or non-functioning right side airbag
- Diagnostic trouble code B1820 stored in the vehicle's computer system
How to Fix B1820 Scion
- Diagnose the issue using a scan tool to retrieve the specific fault code B1820.
- Inspect the wiring harness for any visible damage or corrosion. Repair or replace any damaged wires.
- Check and replace the side squib (airbag inflator) if it is faulty.
- Verify and replace any blown fuses related to the airbag system.
- Reset the airbag control module and clear the fault code from the vehicle's computer system.
Cost to Fix B1820 Scion
The typical repair costs for addressing a short in the side squib right circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $200 to $500, while the labor costs can range from $100 to $300. Overall, the total cost of repairing this issue can be expected to be between $300 and $800. However, it is important to note that labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate based on the specific make and model of the vehicle.
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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 B1820 Scion Code
1. What are common symptoms of OBDII code B1820 Short in Side Squib Right Circuit in a Scion?
- Common symptoms include the airbag warning light illuminating on the dashboard and potential non-deployment of the side airbag in the event of a collision.
2. What can cause the OBDII code B1820 to trigger in a Scion?
- The code B1820 can be triggered by a short circuit in the side squib right circuit, which may be caused by damaged wiring, faulty connections, or a defective side airbag module.
3. How can I diagnose the OBDII code B1820 Short in Side Squib Right Circuit in my Scion?
- Diagnosing this code typically involves using a scan tool to retrieve the specific fault code, inspecting the wiring and connectors related to the side squib right circuit, and testing the components for continuity and resistance.
4. Can I repair the OBDII code B1820 in my Scion myself?
- While it is possible to attempt the repair yourself, dealing with airbag systems requires caution and expertise due to safety concerns. It is recommended to seek professional assistance to properly diagnose and repair the issue.
5. Is it safe to drive my Scion with the OBDII code B1820 present?
- It is not recommended to drive the vehicle with the B1820 code active, as it indicates a potential issue with the side airbag system that may compromise its functionality in the event of an accident.
6. How much does it typically cost to repair the OBDII code B1820 Short in Side Squib Right Circuit in a Scion?
- The cost of repairing the B1820 code can vary depending on the extent of the damage and the specific components that need to be replaced. It is advisable to consult a professional for an accurate estimate.
7. Can resetting the OBDII code B1820 in my Scion make it go away permanently?
- Simply resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reoccur. Proper diagnosis and repair are essential for a permanent solution.
8. How long does it typically take to fix the OBDII code B1820 Short in Side Squib Right Circuit in a Scion?
- The repair time can vary depending on the complexity of the issue and the availability of parts. A professional technician should be able to provide you with an estimate of the time needed to fix the problem.
9. Can the OBDII code B1820 affect other safety systems in my Scion?
- While the B1820 code specifically relates to the side squib right circuit, issues with the airbag system can potentially impact the overall safety of the vehicle. It is important to address such codes promptly to ensure all safety systems are functioning correctly.
10. Are there any recalls or service bulletins related to the OBDII code B1820 in Scion vehicles?
- It is advisable to check with the manufacturer or authorized dealerships for any recalls or service bulletins related to the B1820 code in Scion vehicles. They may have information on known issues and solutions provided by the manufacturer.
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