B1806 Scion Code - Open In Front Passenger Side Squib Circuit
Quick Answer
The B1806 Scion code indicates an open in the front passenger side squib circuit. Common causes include Faulty wiring or connectors in the front passenger side airbag circuit, Corrosion or damage to the wiring harness, Impact or collision that damages the airbag system components. 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
- B1806 Scion indicates Open In Front Passenger Side Squib Circuit.
- Common causes
- Common causes include Faulty wiring or connectors in the front passenger side airbag circuit, Corrosion or damage to the wiring harness, Impact or collision that damages the airbag system components.
- 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 B1806 Scion Description
The B1806 Scion code indicates an open in the front passenger side squib circuit. In simpler terms, this means that there is a problem with the circuit that controls the airbag system on the front passenger side of the vehicle. The squib circuit is responsible for deploying the airbag in the event of a collision, so it is a critical safety feature in the vehicle.
Common Causes of B1806 Scion
- Faulty wiring or connectors in the front passenger side airbag circuit.
- Corrosion or damage to the wiring harness.
- Impact or collision that damages the airbag system components.
- Faulty airbag control module.
- Manufacturing defect in the airbag system components.
Symptoms of B1806 Scion
- Airbag warning light on the dashboard is illuminated.
- Airbag system may fail to deploy in a collision.
- Loss of communication with the airbag system module.
- Vehicle may fail safety inspections due to airbag system malfunction.
How to Fix B1806 Scion
- Begin by diagnosing the specific cause of the open circuit, using a diagnostic scanner to retrieve the trouble codes and pinpoint the issue.
- Inspect the wiring and connectors in the front passenger side airbag circuit for any damage, corrosion, or loose connections. Repair or replace as needed.
- Check the airbag control module for any faults or malfunctions. Replace if necessary.
- Clear the trouble codes from the vehicle's computer system and test the airbag system to ensure proper functionality.
- Once the repair is complete, reset the airbag warning light on the dashboard.
Cost to Fix B1806 Scion
The cost of repairing an open in the front passenger side squib circuit can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's best to get a few quotes from different shops to find the best price for your 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 B1806 Scion Code
1. What does the OBDII code B1806 mean for a Scion?
The B1806 code indicates an "Open in Front Passenger Side Squib Circuit," meaning there's a problem with the airbag deployment system on the passenger side.
2. What are the symptoms of code B1806 in a Scion?
Common symptoms include the airbag warning light illuminating on the dashboard and potential deactivation of the passenger-side airbag.
3. What causes the B1806 code to appear?
Possible causes include a damaged or disconnected passenger airbag wiring harness, a faulty airbag module, or a defective clock spring.
4. How serious is the B1806 code?
It is a serious issue since it affects the airbag system, which is critical for passenger safety during a collision.
5. Can I drive my Scion with the B1806 code active?
While the vehicle may still be drivable, it’s unsafe as the passenger-side airbag may not deploy in an accident. Immediate diagnosis and repair are recommended.
6. How is the B1806 code diagnosed?
A technician will use a scan tool to confirm the code, inspect the passenger airbag circuit for damage or disconnections, and test related components like the clock spring and airbag module.
7. Can a loose wire cause the B1806 code?
Yes, a loose or disconnected wire in the passenger airbag circuit is a common cause of this code.
8. How do you fix the B1806 code?
Repairs may involve reconnecting or replacing damaged wiring, replacing the clock spring, or addressing a malfunctioning airbag control module.
9. Will clearing the B1806 code with a scan tool fix the problem?
Clearing the code without addressing the underlying issue will not fix the problem. The code will likely return if the circuit remains open.
10. How much does it cost to fix the B1806 code on a Scion?
Repair costs can vary widely, ranging from $100 for minor wiring repairs to $500 or more if components like the airbag module or clock spring need replacement.
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