B1790 2016 Toyota RAV4 Code - Center Airbag Sensor Assembly Communication Circuit Malfunction
Quick Answer
The B1790 diagnostic trouble code (DTC) for a 2016 Toyota RAV4 indicates a Center Airbag Sensor Assembly Communication Circuit Malfunction. Common causes include Damaged wiring or connectors in the communication circuit, Faulty center airbag sensor assembly, Issues with the airbag control module. 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
- B1790 2016 Toyota RAV4 indicates Center Airbag Sensor Assembly Communication Circuit Malfunction.
- Common causes
- Common causes include Damaged wiring or connectors in the communication circuit, Faulty center airbag sensor assembly, Issues with the airbag control module.
- 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 B1790 2016 Toyota RAV4 Description
The B1790 diagnostic trouble code (DTC) for a 2016 Toyota RAV4 indicates a Center Airbag Sensor Assembly Communication Circuit Malfunction. This code is related to the communication circuit between the center airbag sensor assembly and the vehicle's airbag control module. The center airbag sensor assembly plays a crucial role in detecting impacts and deploying the airbags in the event of a collision. When this communication circuit malfunctions, it can compromise the vehicle's ability to deploy the airbags effectively, potentially putting occupants at risk in the event of an accident.
Common Causes of B1790 2016 Toyota RAV4
- Damaged wiring or connectors in the communication circuit.
- Faulty center airbag sensor assembly.
- Issues with the airbag control module.
- Corrosion or moisture intrusion affecting the communication circuit.
- Electrical issues within the airbag system components.
Symptoms of B1790 2016 Toyota RAV4
- Airbag warning light illuminated on the dashboard.
- Inability to deploy airbags in the event of a collision.
- Faulty communication between the center airbag sensor assembly and the airbag control module.
- Vehicle failing safety inspections due to airbag system malfunction.
How to Fix B1790 2016 Toyota RAV4
- Begin by conducting a thorough inspection of the wiring and connectors in the communication circuit to identify any damage or corrosion.
- Test the center airbag sensor assembly and airbag control module for proper functionality using diagnostic tools.
- Replace any damaged wiring, connectors, or components as needed.
- Clear the DTC from the vehicle's computer system using a scan tool to reset the airbag system.
- Perform a final test to ensure the airbag system is functioning correctly and the communication circuit is operating as intended.
Cost to Fix B1790 2016 Toyota RAV4
The typical repair costs for addressing a B1790 code in a 2016 Toyota RAV4 can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the repair for this type of airbag system malfunction can range from $200 to $800, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local shops for a more accurate estimate based on your specific circumstances.
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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 B1790 2016 Toyota RAV4 Code
1. What are the common symptoms of OBDII code B1790 in a 2016 Toyota RAV4?
- Common symptoms include the airbag warning light illuminating on the dashboard, potential loss of communication with the center airbag sensor assembly, and possible non-deployment of airbags in an accident.
2. What could cause the B1790 code (Center Airbag Sensor Assembly Communication Circuit Malfunction) in a 2016 Toyota RAV4?
- The B1790 code can be triggered by issues such as damaged wiring or connectors in the airbag system, a faulty center airbag sensor assembly, or problems with the airbag control module.
3. How can I diagnose the B1790 code in my 2016 Toyota RAV4?
- Diagnosing the B1790 code typically involves using a diagnostic scanner to retrieve the specific fault code, inspecting the wiring and connectors in the airbag system, and testing the center airbag sensor assembly for proper functionality.
4. Is it safe to drive my 2016 Toyota RAV4 with the B1790 code present?
- It is not recommended to drive the vehicle with the B1790 code active, as it indicates a potential malfunction in the airbag system, which could compromise occupant safety in the event of a collision.
5. How can I repair the B1790 code in my 2016 Toyota RAV4?
- Repairing the B1790 code involves addressing the underlying issue causing the communication circuit malfunction, which may include repairing or replacing damaged wiring, connectors, the center airbag sensor assembly, or the airbag control module.
6. Can I reset the B1790 code in my 2016 Toyota RAV4 by disconnecting the battery?
- While disconnecting the battery may temporarily clear the code, it is not a recommended method for resolving the underlying issue causing the B1790 code. It is best to diagnose and repair the root cause of the problem.
7. How much does it cost to fix the B1790 code in a 2016 Toyota RAV4?
- The cost of fixing the B1790 code can vary depending on the specific cause of the malfunction. Costs may include parts replacement, labor charges, and diagnostic fees, so it's advisable to consult a professional for an accurate estimate.
8. Can a DIY enthusiast repair the B1790 code in a 2016 Toyota RAV4?
- While some aspects of diagnosing and repairing the B1790 code may be within the capabilities of a skilled DIY enthusiast, working on the airbag system can be complex and dangerous. It is recommended to seek professional assistance for this type of repair.
9. Will the B1790 code cause the airbags to deploy unexpectedly in a 2016 Toyota RAV4?
- The B1790 code specifically relates to a communication circuit malfunction in the center airbag sensor assembly and is unlikely to cause the airbags to deploy unexpectedly. However, it may affect the proper deployment of airbags in a collision.
10. How long does it typically take to repair the B1790 code in a 2016 Toyota RAV4?
- The repair time for the B1790 code can vary depending on the specific cause of the issue and the complexity of the repair needed. It is advisable to consult with a qualified technician to get an accurate estimate of the repair duration.
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