AutoCodes – Toyota – B1943 2016 Toyota RAV4

B1943 2016 Toyota RAV4 Code - Short to Positive in Selectable Force Limiter Squib Right Circuit

Quick Answer

The Selectable Force Limiter Squib Right (RH) Circuit consists of the Center Airbag Sensor Assembly and Front Seat Outer Belt Assembly Right (RH). Common causes include Faulty Front Seat Outer Belt Assembly Right (RH) (Selectable Force Limiter Squib Right), Front Seat Outer Belt Assembly Right harness is open or shorted, Front Seat Outer Belt Assembly Right 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: B1943 2016 Toyota RAV4 indicates Short to Positive in Selectable Force Limiter Squib Right Circuit.
Common causes: Common causes include Faulty Front Seat Outer Belt Assembly Right (RH) (Selectable Force Limiter Squib Right), Front Seat Outer Belt Assembly Right harness is open or shorted, Front Seat Outer Belt Assembly Right 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.

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Code Popularity 198

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Dec 07, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1943 2016 Toyota RAV4 Description

The Selectable Force Limiter Squib Right (RH) Circuit consists of the Center Airbag Sensor Assembly and Front Seat Outer Belt Assembly Right (RH). This circuit instructs the Supplemental Restraint System (SRS) to deploy when the deployment conditions are met. The Diagnostic Trouble Code (DTC) is recorded when a malfunction is detected in the Selectable Force Limiter Squib Right Circuit.

OBDII Code B1943 2016 Toyota RAV4 - Short to Positive in Selectable Force Limiter Squib Right Circuit - AutoCodes.com — B1943 2016 Toyota RAV4 Code - Short to Positive in Selectable Force Limiter Squib Right Circuit

What does this mean?

What are the Possible Causes of the DTC B1943 2016 Toyota RAV4?

Faulty Front Seat Outer Belt Assembly Right (RH) (Selectable Force Limiter Squib Right)
Front Seat Outer Belt Assembly Right harness is open or shorted
Front Seat Outer Belt Assembly Right circuit poor electrical connection
Faulty Center Airbag Sensor Assembly

How to Fix the DTC B1943 2016 Toyota RAV4?

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 B1943 2016 Toyota RAV4 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.

Need more information about the B1943 2016 Toyota RAV4 code?

Need more information on how to fix the B1943 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1943 2016 Toyota RAV4 code diagnosed by a professional: Find a repair shop in your area

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 B1943 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1943 in a 2016 Toyota RAV4?

- Common symptoms include an illuminated airbag warning light on the dashboard and potential issues with the right side seatbelt pretensioner.

2. What does the OBDII code B1943 "Short to Positive in Selectable Force Limiter Squib Right Circuit" mean for a 2016 Toyota RAV4?

- This code indicates a potential electrical issue in the selectable force limiter squib circuit on the right side of the vehicle's seatbelt pretensioner.

3. What are the possible causes of OBDII code B1943 in a 2016 Toyota RAV4?

- The code B1943 can be triggered by a short circuit to positive in the selectable force limiter squib right circuit, which may be caused by wiring issues, a faulty squib unit, or a malfunction in the airbag control module.

4. How can I diagnose the OBDII code B1943 in my 2016 Toyota RAV4?

- To diagnose this code, it is recommended to perform a thorough inspection of the wiring harness, connectors, and components related to the selectable force limiter squib right circuit. Using a diagnostic scanner to retrieve and interpret fault codes can also help pinpoint the issue.

5. Is it safe to drive my 2016 Toyota RAV4 with OBDII code B1943 present?

- It is not recommended to drive the vehicle with an unresolved B1943 code, as it indicates a potential problem with the seatbelt pretensioner system, which is crucial for occupant safety in the event of a collision.

6. Can I reset the OBDII code B1943 in my 2016 Toyota RAV4 by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is not a permanent solution. The underlying issue causing the B1943 code should be identified and repaired to ensure the safety systems function properly.

7. How much does it typically cost to repair OBDII code B1943 in a 2016 Toyota RAV4?

- The cost of repairing the B1943 code can vary depending on the exact cause of the issue. It may involve replacing damaged wiring, connectors, or components, so it's best to consult a professional technician for an accurate estimate.

8. Can I fix the OBDII code B1943 in my 2016 Toyota RAV4 myself?

- While some DIY enthusiasts may be able to address simpler wiring issues causing the B1943 code, it is recommended to seek professional help for diagnosing and repairing more complex electrical problems related to the airbag system.

9. How long does it typically take to repair OBDII code B1943 in a 2016 Toyota RAV4?

- The repair time for the B1943 code can vary depending on the exact cause of the issue and the expertise of the technician. Simple fixes may take a few hours, while more complicated repairs could extend the downtime.

10. Are there any safety precautions to consider when working on the airbag system to address OBDII code B1943 in a 2016 Toyota RAV4?

- When working on the airbag system to resolve the B1943 code, it is crucial to disconnect the vehicle's battery and wait for at least 10 minutes before starting any repair to prevent accidental deployment of the airbags. Additionally, following proper safety procedures outlined in the vehicle's service manual is essential.