B1847 Lexus Code - Short To Ground In Curtain Shield Squib Left 2nd Step Circuit
Quick Answer
The Curtain Shield Squib Left (LF) 2nd Step Circuit consists of the Center Airbag Sensor Assembly and the Curtain Shield Airbag Assembly Left (LH). Common causes include Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left 2nd Step), Curtain Shield Airbag Assembly Left harness is open or shorted, Curtain Shield Airbag Assembly Left 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
- B1847 Lexus indicates Short To Ground In Curtain Shield Squib Left 2nd Step Circuit.
- Common causes
- Common causes include Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left 2nd Step), Curtain Shield Airbag Assembly Left harness is open or shorted, Curtain Shield Airbag Assembly Left 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 B1847 Lexus Description
What are the Possible Causes of the DTC B1847 Lexus?
- Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left 2nd Step)
- Curtain Shield Airbag Assembly Left harness is open or shorted
- Curtain Shield Airbag Assembly Left circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How to Fix the DTC B1847 Lexus?
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 B1847 Lexus 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 B1847 Lexus Code
1. What are the common symptoms of OBDII code B1847 in a Lexus related to a short to ground in the curtain shield squib left 2nd step circuit?
- Common symptoms include the airbag warning light illuminating on the dashboard, potential non-deployment of the curtain airbag during a collision, and trouble codes stored in the vehicle's computer.
2. What are the possible causes of OBDII code B1847 in a Lexus indicating a short to ground in the curtain shield squib left 2nd step circuit?
- The code B1847 can be triggered by a short to ground in the curtain shield squib left 2nd step circuit, which may be caused by damaged wiring, a faulty curtain shield squib, or a problem with the airbag control module.
3. How can I diagnose the issue related to OBDII code B1847 in a Lexus with a short to ground in the curtain shield squib left 2nd step circuit?
- Diagnosing this issue typically involves inspecting the wiring harness for damage, checking the curtain shield squib for proper functionality, and using a diagnostic scanner to retrieve trouble codes stored in the system.
4. Is it safe to drive a Lexus with OBDII code B1847 indicating a short to ground in the curtain shield squib left 2nd step circuit?
- It is not recommended to drive the vehicle with an unresolved airbag system issue as it can affect the safety of the vehicle occupants in the event of a collision. Prompt repair is advised.
5. Can I repair OBDII code B1847 related to a short to ground in the curtain shield squib left 2nd step circuit in a Lexus myself?
- Repairing this issue may require specialized knowledge and tools. It is recommended to consult a professional technician or authorized Lexus service center to properly diagnose and repair the problem.
6. How much does it typically cost to repair OBDII code B1847 in a Lexus due to a short to ground in the curtain shield squib left 2nd step circuit?
- The cost of repair can vary depending on the exact cause of the issue, the extent of the damage, and labor rates. It is advisable to get a diagnosis from a qualified technician to determine the repair cost.
7. Will resetting the OBDII code B1847 related to a short to ground in the curtain shield squib left 2nd step circuit in a Lexus make the problem go away?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the fault. It is essential to address the root cause of the problem to ensure proper airbag system functionality.
8. What precautions should I take when working on the airbag system in a Lexus with OBDII code B1847 indicating a short to ground in the curtain shield squib left 2nd step circuit?
- When working on the airbag system, it is crucial to disconnect the vehicle's battery, follow proper safety procedures outlined in the service manual, and avoid mishandling airbag components to prevent accidental deployment.
9. Can a Lexus dealership or authorized service center provide a warranty on the repair for OBDII code B1847 related to a short to ground in the curtain shield squib left 2nd step circuit?
- Many authorized service centers or dealerships may offer a warranty on parts and labor for the repair of OBDII code B1847, but it is recommended to inquire about specific warranty terms before proceeding with the repair.
10. Are there any recalls or service bulletins related to OBDII code B1847 and the issue of a short to ground in the curtain shield squib left 2nd step circuit in Lexus vehicles?
- It is advisable to check with Lexus customer service or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or service bulletins related to this specific OBDII code and issue in Lexus vehicles.
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