B1860 Scion Code - Short in Driver Side Knee Airbag Squib Circuit
Quick Answer
The B1860 Scion code indicates a short in the driver side knee airbag squib circuit. Common causes include Damaged wiring in the driver side knee airbag squib circuit, Faulty driver side knee airbag squib, Malfunctioning airbag control module. 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
- B1860 Scion indicates Short in Driver Side Knee Airbag Squib Circuit.
- Common causes
- Common causes include Damaged wiring in the driver side knee airbag squib circuit, Faulty driver side knee airbag squib, Malfunctioning airbag control module.
- 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 B1860 Scion Description
The B1860 Scion code indicates a short in the driver side knee airbag squib circuit. The knee airbag squib is a component of the vehicle's airbag system that is designed to deploy the knee airbag in the event of a collision. A short in this circuit can prevent the airbag from deploying properly, potentially compromising the safety of the driver in the event of an accident.
Common Causes of B1860 Scion
- Damaged wiring in the driver side knee airbag squib circuit.
- Faulty driver side knee airbag squib.
- Malfunctioning airbag control module.
- Corrosion or poor connections in the circuit.
- Impact or collision that damaged the airbag system components.
Symptoms of B1860 Scion
- Airbag warning light illuminated on the dashboard.
- Inability to turn off the airbag warning light even after resetting it.
- Diagnostic trouble code (DTC) B1860 stored in the vehicle's computer system.
- Non-deployment of the driver side knee airbag in a collision.
How to Fix B1860 Scion
- Diagnose the issue by using a scan tool to retrieve the specific trouble code and pinpoint the source of the problem.
- Inspect the wiring harness and connectors for any signs of damage, corrosion, or poor connections. Repair or replace as necessary.
- Test the driver side knee airbag squib for proper functionality. Replace if found to be faulty.
- Check the airbag control module for any malfunctions. Replace if needed.
- Clear the trouble code from the vehicle's computer system and perform a test to ensure that the issue has been resolved.
Cost to Fix B1860 Scion
The cost of repairing a short in the driver side knee airbag squib circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the parts for this repair can range from $200 to $500, while the labor costs can add another $100 to $300. Overall, the total repair cost for this issue may fall between $300 and $800. However, it's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.
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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 B1860 Scion Code
What does OBDII code B1860 indicate?
OBDII code B1860 indicates a short in the driver side knee airbag squib circuit, meaning there is an electrical issue affecting the airbag system's ability to deploy properly.
What are common symptoms of the B1860 code?
Common symptoms include the airbag warning light being illuminated on the dashboard and potential issues with the driver’s knee airbag deployment during an accident.
What could cause the B1860 code to trigger?
The B1860 code can be triggered by a short circuit in the wiring, a faulty knee airbag module, or issues with the airbag control module itself.
How can I diagnose the B1860 code?
To diagnose the B1860 code, use an OBD-II scanner to confirm the code, then visually inspect the wiring and connectors for damage, and test the knee airbag module and control unit for faults.
Is it safe to drive with the B1860 code present?
It is not safe to drive with the B1860 code present, as the airbag system may not function correctly in the event of a collision, increasing the risk of injury.
What are some repair tips for fixing the B1860 code?
Repair tips include checking and repairing any damaged wiring or connectors, replacing the knee airbag module if it is faulty, and clearing the code after repairs to see if it returns.
Can I reset the B1860 code myself?
Yes, you can reset the B1860 code using an OBD-II scanner, but it is essential to address the underlying issue first to prevent the code from reappearing.
How much might it cost to repair the B1860 code?
Repair costs can vary widely, ranging from $50 for simple wiring repairs to several hundred dollars if the knee airbag module needs to be replaced.
Will disconnecting the battery clear the B1860 code?
Disconnecting the battery may temporarily clear the B1860 code, but it will not fix the underlying issue, and the code will likely return once the system is reconnected and checked.
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