Open In Rear Floor Electrical Key Oscillator Circuit
Table of contents
B27A6 TOYOTA Possible 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)
How do I fix code B27A6 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B27A6 TOYOTA code
The cost of diagnosing the B27A6 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B27A6 TOYOTA 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.