Engine-CodesToyota – B1835 2015 Toyota RAV4

B1835 2015 Toyota RAV4 Code - Short in Curtain Shield Squib Left Circuit

Quick Answer

The diagnostic code B1835 for a 2015 Toyota RAV4 indicates a "Short in Curtain Shield Squib Left Circuit." This code specifically refers to a fault in the airbag system, specifically the left side curtain shield airbag inflator. Common causes include Damaged wiring or connectors in the left side curtain shield airbag circuit, Corrosion or moisture intrusion in the wiring harness, Faulty left side curtain shield airbag inflator. 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
B1835 2015 Toyota RAV4 indicates Short in Curtain Shield Squib Left Circuit.
Common causes
Common causes include Damaged wiring or connectors in the left side curtain shield airbag circuit, Corrosion or moisture intrusion in the wiring harness, Faulty left side curtain shield airbag inflator.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B1835 2015 Toyota RAV4 Description

The diagnostic code B1835 for a 2015 Toyota RAV4 indicates a "Short in Curtain Shield Squib Left Circuit." This code specifically refers to a fault in the airbag system, specifically the left side curtain shield airbag inflator. The curtain shield airbag is designed to deploy from the roof area to protect occupants in the event of a side collision. A "squib" is an electrical component that is responsible for inflating the airbag when a crash is detected. A short in this circuit means that there is an abnormal connection or resistance in the wiring, which can prevent the airbag from deploying properly in the event of a collision.

OBDII Code B1835 2015 Toyota RAV4 - Short in Curtain Shield Squib Left Circuit
B1835 2015 Toyota RAV4 Code - Short in Curtain Shield Squib Left Circuit

Common Causes of B1835 2015 Toyota RAV4

  1. Damaged wiring or connectors in the left side curtain shield airbag circuit
  2. Corrosion or moisture intrusion in the wiring harness
  3. Faulty left side curtain shield airbag inflator
  4. Impact or collision that damaged the airbag system components
  5. Manufacturing defect in the airbag system components

Symptoms of B1835 2015 Toyota RAV4

  1. Illuminated airbag warning light on the dashboard
  2. Error code B1835 stored in the vehicle's computer system
  3. Inability to deploy the left side curtain shield airbag during a crash
  4. A visible damaged or frayed wiring harness in the left side curtain shield airbag circuit
  5. Failure of the vehicle to pass a state inspection or emissions test due to the airbag system fault

How to Fix B1835 2015 Toyota RAV4

  1. Diagnose the issue by using a scan tool to retrieve the specific error code and inspecting the wiring harness and connectors for damage.
  2. Repair or replace any damaged wiring or connectors in the left side curtain shield airbag circuit.
  3. Replace the faulty left side curtain shield airbag inflator if necessary.
  4. Clear the error code from the vehicle's computer system and perform a test to ensure the airbag system is functioning properly.
  5. Conduct a thorough inspection of the entire airbag system to check for any additional faults or issues that may need attention.

Cost to Fix B1835 2015 Toyota RAV4

The cost of repairing a short in the curtain shield squib left circuit on a 2015 Toyota RAV4 can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair can range from $200 to $500, with labor costs adding an additional $150 to $300. Overall, the total cost for this repair can range from $350 to $800. It's important to note that these estimates are rough averages, and actual costs can vary based on the location, labor rates, and the availability of parts. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of your 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.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1835 2015 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1835 in a 2015 Toyota RAV4?

The common symptoms of OBDII code B1835 (Short in Curtain Shield Squib Left Circuit) in a 2015 Toyota RAV4 may include the airbag warning light illuminating on the dashboard and the airbag system being disabled.

2. What are the possible causes of OBDII code B1835 in a 2015 Toyota RAV4?

Possible causes of OBDII code B1835 in a 2015 Toyota RAV4 include a short circuit in the curtain shield airbag squib left circuit, faulty wiring or connections in the airbag system, or a malfunctioning airbag control module.

3. How can I diagnose OBDII code B1835 in my 2015 Toyota RAV4?

To diagnose OBDII code B1835, a professional mechanic can use a diagnostic scan tool to read the fault codes stored in the airbag system. They may also perform a visual inspection of the airbag system components and check the wiring for any signs of damage or corrosion.

4. Is it safe to drive my 2015 Toyota RAV4 with OBDII code B1835 active?

It is not recommended to drive your 2015 Toyota RAV4 with OBDII code B1835 active, as it indicates a potential issue with the airbag system. Driving with a malfunctioning airbag system can compromise your safety in the event of a collision.

5. How can I repair OBDII code B1835 in my 2015 Toyota RAV4?

Repairing OBDII code B1835 in a 2015 Toyota RAV4 typically involves identifying and fixing the root cause of the issue, which may include repairing or replacing damaged wiring, connectors, or components in the curtain shield airbag squib left circuit.

6. Can I reset OBDII code B1835 in my 2015 Toyota RAV4 using a scan tool?

Resetting OBDII code B1835 in a 2015 Toyota RAV4 using a scan tool may temporarily clear the fault code, but if the underlying issue is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.

7. Are there any safety precautions I should take when working on the airbag system to resolve OBDII code B1835 in my 2015 Toyota RAV4?

When working on the airbag system to resolve OBDII code B1835, it is crucial to disconnect the vehicle's battery and wait for at least 15 minutes before starting any repair work. This is to ensure that the airbag system capacitors are fully discharged and prevent accidental deployment.

8. Can a DIY enthusiast fix OBDII code B1835 in a 2015 Toyota RAV4 at home?

While some DIY enthusiasts may have the skills to diagnose and repair simple electrical issues, dealing with the airbag system and OBDII codes like B1835 can be complex and potentially dangerous. It is recommended to consult a professional mechanic for proper diagnosis and repair.

9. How much does it cost to repair OBDII code B1835 in a 2015 Toyota RAV4 at a dealership or repair shop?

The cost of repairing OBDII code B1835 in a 2015 Toyota RAV4 can vary depending on the root cause of the issue, the labor rates of the dealership or repair shop, and the cost of any necessary parts. It is advisable to obtain quotes from different service providers for comparison.

10. Is OBDII code B1835 a common issue in 2015 Toyota RAV4 vehicles?

While OBDII code B1835 (Short in Curtain Shield Squib Left Circuit) is not as common as some other codes, it can still occur in 2015 Toyota RAV4 vehicles due to various factors like age, wear and tear, or electrical faults. Regular maintenance and prompt repairs can help prevent such issues.

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