B27A6 2017 Toyota RAV4 Code - Open In Rear Floor Electrical Key Oscillator Circuit
Quick Answer
The Certification ECU (Smart Key ECU Assembly) generates a request signal and sends it to the Indoor Electrical Key Oscillator (for center floor). Common causes include Faulty Indoor Electrical Key Oscillator (for center floor), Indoor Electrical Key Oscillator harness is open or shorted, Indoor Electrical Key Oscillator 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
- B27A6 2017 Toyota RAV4 indicates Open In Rear Floor Electrical Key Oscillator Circuit.
- Common causes
- Common causes include Faulty Indoor Electrical Key Oscillator (for center floor), Indoor Electrical Key Oscillator harness is open or shorted, Indoor Electrical Key Oscillator 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.
Code B27A6 2017 Toyota RAV4 Description
The Diagnostic Trouble Code (DTC) B27A6 is detected by the Certification ECU (Smart Key ECU Assembly) when an open circuit occurs between the Certification ECU (Smart Key ECU Assembly) and Indoor Electrical Key Oscillator (for center floor) terminals.
What are the Possible Causes of the DTC B27A6 2017 Toyota RAV4?
- Faulty Indoor Electrical Key Oscillator (for center floor)
- Indoor Electrical Key Oscillator harness is open or shorted
- Indoor Electrical Key Oscillator circuit poor electrical connection
- Faulty Certification ECU (Smart Key ECU Assembly)
How to Fix the DTC B27A6 2017 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 B27A6 2017 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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Frequently Asked Questions about B27A6 2017 Toyota RAV4 Code
1. What are the common symptoms of OBDII code B27A6 in a 2017 Toyota RAV4?
The common symptoms include issues with keyless entry, difficulty starting the vehicle, and malfunctioning remote key fobs.
2. What does the OBDII code B27A6 "Open In Rear Floor Electrical Key Oscillator Circuit" indicate in a 2017 Toyota RAV4?
This code indicates a problem with the electrical circuit for the key oscillator in the rear floor area of the vehicle.
3. What are the possible causes of OBDII code B27A6 in a 2017 Toyota RAV4?
Possible causes include damaged wiring, loose connections, faulty key oscillator components, or water damage in the rear floor area.
4. How can I diagnose the issue related to OBDII code B27A6 in my 2017 Toyota RAV4?
Diagnosing the problem involves inspecting the wiring, connectors, and key oscillator components in the rear floor area for any visible damage or issues.
5. Can I repair OBDII code B27A6 in my 2017 Toyota RAV4 myself?
Depending on your automotive repair skills, you may be able to address the issue by repairing or replacing damaged wiring, connectors, or key oscillator components in the rear floor area.
6. Is it safe to continue driving my 2017 Toyota RAV4 with OBDII code B27A6 present?
It is not recommended to drive the vehicle with this code present, as it can lead to further electrical issues or potential starting problems.
7. How much does it cost to fix OBDII code B27A6 in a 2017 Toyota RAV4?
The cost of fixing this code can vary depending on the extent of the damage and whether you choose to repair it yourself or have it done by a professional mechanic.
8. Can a faulty key fob cause OBDII code B27A6 to appear in a 2017 Toyota RAV4?
Yes, a faulty key fob or keyless entry system can contribute to triggering this code due to issues with the key oscillator circuit.
9. Will resetting the vehicle's computer clear OBDII code B27A6 in a 2017 Toyota RAV4?
Resetting the computer may temporarily clear the code, but if the underlying issue with the key oscillator circuit is not addressed, the code is likely to reappear.
10. How can I prevent OBDII code B27A6 from recurring in my 2017 Toyota RAV4?
Regularly inspecting and maintaining the key oscillator circuit components in the rear floor area can help prevent this code from reoccurring in the future.
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