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B27A6 Lexus Code - Open In Rear Floor Electrical Key Oscillator Circuit

- Code Popularity: 2,331 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B27A6 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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)
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How to Fix the DTC B27A6 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B27A6 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B27A6 Lexus Description

The Certification ECU (Smart Key ECU Assembly) generates a request signal and sends it to the Indoor Electrical Key Oscillator (for center floor). To detect the key inside the cabin, the Indoor Electrical Key Oscillator (for center floor) creates a detection area in the cabin.
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.

OBDII Code B27A6 Lexus - Open In Rear Floor Electrical Key Oscillator Circuit - AutoCodes.com
B27A6 Lexus Code - Open In Rear Floor Electrical Key Oscillator Circuit

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