B1635 2017 Toyota RAV4 Code - Rear Airbag Sensor Left Circuit Malfunction
Quick Answer
The B1635 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates a Rear Airbag Sensor Left Circuit Malfunction. Common causes include Faulty rear airbag sensor, Damaged wiring or connectors leading to the sensor, Corrosion or poor connections in the sensor circuit. 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
- B1635 2017 Toyota RAV4 indicates Rear Airbag Sensor Left Circuit Malfunction.
- Common causes
- Common causes include Faulty rear airbag sensor, Damaged wiring or connectors leading to the sensor, Corrosion or poor connections in the sensor circuit.
- 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 B1635 2017 Toyota RAV4 Description
The B1635 diagnostic trouble code (DTC) for a 2017 Toyota RAV4 indicates a Rear Airbag Sensor Left Circuit Malfunction. This code is specifically related to an issue with the rear airbag sensor on the left side of the vehicle. The rear airbag sensor is a crucial component of the vehicle's supplemental restraint system (SRS), responsible for detecting impacts and deploying the airbags in the event of a collision.
Common Causes of B1635 2017 Toyota RAV4
- Faulty rear airbag sensor.
- Damaged wiring or connectors leading to the sensor.
- Corrosion or poor connections in the sensor circuit.
- Impact or physical damage to the sensor.
- Electrical issues within the vehicle's system.
Symptoms of B1635 2017 Toyota RAV4
- Airbag warning light illuminated on the dashboard.
- Inconsistent or erratic airbag deployment.
- Loss of communication with the rear airbag sensor.
- Vehicle may fail airbag system self-test.
- Diagnostic trouble code B1635 stored in the vehicle's computer system.
How to Fix B1635 2017 Toyota RAV4
- Begin by conducting a thorough inspection of the rear airbag sensor, wiring, and connectors to identify any visible damage or issues.
- Test the sensor using a multimeter to determine if it is functioning correctly.
- Check for any corrosion or poor connections in the sensor circuit and repair or replace as needed.
- Clear the diagnostic trouble code from the vehicle's computer system after completing repairs.
- Perform a test drive to ensure that the airbag warning light is no longer illuminated and that the system functions properly.
Cost to Fix B1635 2017 Toyota RAV4
The cost of repairing a rear airbag sensor left circuit malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $300, while labor costs typically range from $150 to $300. Overall, the total repair cost for this issue could be anywhere from $250 to $600. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.
Tech Notes for B1635 2017 Toyota RAV4
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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 B1635 2017 Toyota RAV4 Code
1. What are common symptoms of OBDII code B1635 in a 2017 Toyota RAV4?
- Common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the left rear airbag system.
2. What could cause the OBDII code B1635 Rear Airbag Sensor Left Circuit Malfunction in a 2017 Toyota RAV4?
- The code B1635 may be triggered by a faulty rear airbag sensor on the left side, damaged wiring, or a poor connection in the circuit.
3. How serious is the B1635 code in a 2017 Toyota RAV4?
- The B1635 code indicates a malfunction in the left rear airbag sensor circuit, which can affect the proper deployment of the airbag in case of an accident. It is important to address this issue promptly.
4. Can I continue driving my 2017 Toyota RAV4 with the B1635 code present?
- It is not recommended to drive the vehicle with the B1635 code active, as it indicates a potential issue with the left rear airbag sensor circuit, which could affect the overall safety of the vehicle.
5. How can I diagnose and repair the B1635 code in my 2017 Toyota RAV4?
- Diagnosing and repairing the B1635 code typically involves checking the rear airbag sensor, inspecting the wiring for damage, and ensuring all connections are secure. Professional diagnostic tools may be needed.
6. Can I reset the B1635 code in my 2017 Toyota RAV4 on my own?
- While you may be able to clear the code temporarily with an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring.
7. Are there any safety precautions I should take when working on the rear airbag sensor circuit in my 2017 Toyota RAV4?
- To ensure safety, it is recommended to disconnect the vehicle's battery before working on the airbag system and to follow proper safety procedures outlined in the vehicle's service manual.
8. How much does it cost to repair the B1635 code in a 2017 Toyota RAV4?
- The cost of repairing the B1635 code can vary depending on the underlying issue causing the malfunction. It is advisable to consult a professional technician for an accurate diagnosis and cost estimate.
9. Can a DIY enthusiast fix the B1635 code in a 2017 Toyota RAV4?
- While some minor repairs may be possible for experienced DIY enthusiasts, addressing the B1635 code in the airbag system of a 2017 Toyota RAV4 often requires specialized tools and knowledge best handled by a professional technician.
10. How often does the B1635 code occur in a 2017 Toyota RAV4?
- The occurrence of the B1635 code in a 2017 Toyota RAV4 can vary and is not extremely common, but if the code does appear, it should be addressed promptly to ensure the proper functioning of the airbag system.
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