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B1875 2018 Toyota RAV4 Code - Short in Passenger Side Front Seat Cushion Squib Circuit

Quick Answer

The B1875 diagnostic trouble code (DTC) for a 2018 Toyota RAV4 indicates a short in the passenger side front seat cushion squib circuit. Common causes include Damaged wiring in the seat cushion squib circuit, Faulty seat cushion squib, Loose or corroded connectors in 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
B1875 2018 Toyota RAV4 indicates Short in Passenger Side Front Seat Cushion Squib Circuit.
Common causes
Common causes include Damaged wiring in the seat cushion squib circuit, Faulty seat cushion squib, Loose or corroded connectors in 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B1875 2018 Toyota RAV4 Description

The B1875 diagnostic trouble code (DTC) for a 2018 Toyota RAV4 indicates a short in the passenger side front seat cushion squib circuit. The seat cushion squib is a component of the vehicle's airbag system that is responsible for deploying the 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 vehicle's occupants.

OBDII Code B1875 2018 Toyota RAV4 - Short in Passenger Side Front Seat Cushion Squib Circuit
B1875 2018 Toyota RAV4 Code - Short in Passenger Side Front Seat Cushion Squib Circuit

Common Causes of B1875 2018 Toyota RAV4

  1. Damaged wiring in the seat cushion squib circuit.
  2. Faulty seat cushion squib.
  3. Loose or corroded connectors in the airbag system.
  4. Water damage to the airbag system components.
  5. Impact or collision that damaged the airbag system.

Symptoms of B1875 2018 Toyota RAV4

  1. Airbag warning light illuminated on the dashboard.
  2. Inability to turn off the passenger side airbag.
  3. Erratic or non-functional operation of the passenger side airbag.
  4. Diagnostic trouble code B1875 stored in the vehicle's computer system.

How to Fix B1875 2018 Toyota RAV4

  1. Begin by disconnecting the vehicle's battery to prevent accidental deployment of the airbag.
  2. Inspect the wiring and connectors in the passenger side front seat cushion squib circuit for damage or corrosion.
  3. Test the seat cushion squib for proper functionality using a multimeter.
  4. Replace any damaged wiring, connectors, or the seat cushion squib as needed.
  5. Clear the diagnostic trouble code from the vehicle's computer system and reset the airbag system.

Cost to Fix B1875 2018 Toyota RAV4

The typical repair costs for addressing a short in the passenger side front seat cushion squib circuit can range from $200 to $500, including parts and labor. However, actual costs may vary depending on the specific diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. It is recommended to check with local repair shops for a more accurate estimate based on your location and vehicle specifics.

Need more information about the B1875 2018 Toyota RAV4 code?

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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 B1875 2018 Toyota RAV4 Code

1. What does the OBDII code B1875 mean on a 2018 Toyota RAV4?

B1875 indicates a short circuit in the passenger side front seat cushion squib circuit, which is part of the airbag system.

2. What are the symptoms of the B1875 code on a 2018 Toyota RAV4?

Common symptoms include the airbag warning light illuminating on the dashboard and the airbag system being partially or entirely disabled.

3. What causes the B1875 code in a Toyota RAV4?

The most common causes are damaged wiring, a faulty connector, or a short circuit in the passenger seat airbag squib circuit.

4. Is the B1875 code serious on a 2018 Toyota RAV4?

Yes, it’s serious because it affects the airbag system, which is a key safety feature in the vehicle. Immediate attention is recommended.

5. How can I diagnose the B1875 code in my Toyota RAV4?

Start by inspecting the wiring and connectors under the passenger seat for damage, wear, or loose connections. Use a multimeter to check for continuity and shorts in the squib circuit.

6. Can I drive my Toyota RAV4 with the B1875 code present?

While the vehicle may still be drivable, driving with this code is not advised as the airbag system may not function properly in a collision.

7. How do I fix the B1875 code on a 2018 Toyota RAV4?

Repairs may include replacing damaged wiring, repairing faulty connectors, or replacing the passenger side front seat airbag squib if necessary.

8. Can the B1875 code be caused by water damage?

Yes, water intrusion under the passenger seat can damage wiring or connectors, potentially causing a short circuit in the squib circuit.

9. How much does it cost to fix the B1875 code on a Toyota RAV4?

Repair costs vary but may range from $100 to $500 depending on whether it’s a simple wiring repair or a replacement of the airbag squib.

10. Do I need to reset the airbag system after fixing the B1875 code?

Yes, after repairs, the airbag system will need to be reset using an OBDII scan tool to clear the code and ensure proper system operation.

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