B1642 2016 Toyota RAV4 Code - Lost Communication With Side Satellite Sensor Bus Right
Quick Answer
The Side Collision Sensor Right (RH) circuit (to determine deployment of the Front Seat Side Airbag Assembly RH and Curtain Shield Airbag Assembly RH) is composed of the Center Airbag Sensor Assembly, Side Airbag Sensor RH, and Rear Airbag Sensor RH. Common causes include Faulty Side Airbag Sensor Right (RH), Faulty Rear Airbag Sensor Right (RH), Side Airbag Sensor Right harness is open or shorted. 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
- B1642 2016 Toyota RAV4 indicates Lost Communication With Side Satellite Sensor Bus Right.
- Common causes
- Common causes include Faulty Side Airbag Sensor Right (RH), Faulty Rear Airbag Sensor Right (RH), Side Airbag Sensor Right harness is open or shorted.
- 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 B1642 2016 Toyota RAV4 Description
What are the Possible Causes of the DTC B1642 2016 Toyota RAV4?
- Faulty Side Airbag Sensor Right (RH)
- Faulty Rear Airbag Sensor Right (RH)
- Side Airbag Sensor Right harness is open or shorted
- Side Airbag Sensor Right circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How to Fix the DTC B1642 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 B1642 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.
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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 B1642 2016 Toyota RAV4 Code
1. What are the common symptoms of OBDII code B1642 in a 2016 Toyota RAV4?
- Common symptoms include the airbag warning light illuminating on the dashboard, loss of communication with the side satellite sensor on the right side, and potential issues with the airbag system.
2. What could cause the OBDII code B1642 "Lost Communication With Side Satellite Sensor Bus Right" in a 2016 Toyota RAV4?
- Possible causes may include a faulty side satellite sensor on the right side, damaged wiring or connectors, a malfunctioning airbag control module, or a communication error within the vehicle's network.
3. How can I diagnose the OBDII code B1642 in my 2016 Toyota RAV4?
- Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific fault codes, inspecting the side satellite sensor and related components for damage, and checking the wiring connections for any issues.
4. Is it safe to drive my 2016 Toyota RAV4 with the OBDII code B1642 present?
- It is not recommended to drive the vehicle with this code present, as it indicates a potential issue with the airbag system. It is advised to address the problem promptly to ensure the safety features are functioning correctly.
5. Can I repair the OBDII code B1642 in my 2016 Toyota RAV4 myself?
- While some basic inspections like checking connections and fuses can be done by DIY enthusiasts, diagnosing and repairing complex airbag system issues should be left to professional technicians with the proper tools and expertise.
6. How much does it typically cost to repair the OBDII code B1642 in a 2016 Toyota RAV4?
- The cost of repair can vary depending on the specific cause of the code. It may range from a few hundred to a few thousand dollars, considering parts and labor expenses.
7. Are there any recalls or service bulletins related to the OBDII code B1642 in a 2016 Toyota RAV4?
- It's advisable to check with Toyota dealerships or their official website to see if there are any recalls or service bulletins related to this specific OBDII code for your vehicle.
8. What are the potential risks of ignoring the OBDII code B1642 in a 2016 Toyota RAV4?
- Ignoring this code could pose a risk in the event of a collision, as the airbag system may not deploy properly or at all. It's crucial to address any airbag-related issues promptly to ensure occupant safety.
9. How long does it take to repair the OBDII code B1642 in a 2016 Toyota RAV4?
- The repair time can vary based on the exact cause of the code and the availability of parts. It could take a few hours to a day or more to diagnose and fix the issue correctly.
10. Can resetting the OBDII code B1642 in a 2016 Toyota RAV4 make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear. It's essential to diagnose and fix the root cause of the problem.
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